1
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Sidhik S, Metcalf I, Li W, Kodalle T, Dolan CJ, Khalili M, Hou J, Mandani F, Torma A, Zhang H, Garai R, Persaud J, Marciel A, Muro Puente IA, Reddy GNM, Balvanz A, Alam MA, Katan C, Tsai E, Ginger D, Fenning DP, Kanatzidis MG, Sutter-Fella CM, Even J, Mohite AD. Two-dimensional perovskite templates for durable, efficient formamidinium perovskite solar cells. Science 2024; 384:1227-1235. [PMID: 38870286 DOI: 10.1126/science.abq6993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 03/28/2024] [Indexed: 06/15/2024]
Abstract
We present a design strategy for fabricating ultrastable phase-pure films of formamidinium lead iodide (FAPbI3) by lattice templating using specific two-dimensional (2D) perovskites with FA as the cage cation. When a pure FAPbI3 precursor solution is brought in contact with the 2D perovskite, the black phase forms preferentially at 100°C, much lower than the standard FAPbI3 annealing temperature of 150°C. X-ray diffraction and optical spectroscopy suggest that the resulting FAPbI3 film compresses slightly to acquire the (011) interplanar distances of the 2D perovskite seed. The 2D-templated bulk FAPbI3 films exhibited an efficiency of 24.1% in a p-i-n architecture with 0.5-square centimeter active area and an exceptional durability, retaining 97% of their initial efficiency after 1000 hours under 85°C and maximum power point tracking.
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Affiliation(s)
- Siraj Sidhik
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX 77005, USA
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
| | - Isaac Metcalf
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX 77005, USA
| | - Wenbin Li
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
- Applied Physics Graduate Program, Smalley-Curl Institute, Rice University, Houston, TX 77005, USA
| | - Tim Kodalle
- Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Connor J Dolan
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Mohammad Khalili
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
| | - Jin Hou
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX 77005, USA
| | - Faiz Mandani
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
| | - Andrew Torma
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
- Applied Physics Graduate Program, Smalley-Curl Institute, Rice University, Houston, TX 77005, USA
| | - Hao Zhang
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
- Applied Physics Graduate Program, Smalley-Curl Institute, Rice University, Houston, TX 77005, USA
| | - Rabindranath Garai
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
| | - Jessica Persaud
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
| | - Amanda Marciel
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
| | - Itzel Alejandra Muro Puente
- Centrale Lille Institut, Univ. Artois, University of Lille, CNRS, UMR 8181-UCCS-Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - G N Manjunatha Reddy
- Centrale Lille Institut, Univ. Artois, University of Lille, CNRS, UMR 8181-UCCS-Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Adam Balvanz
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
| | - Muhammad A Alam
- School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Claudine Katan
- École Nationale Supérieure de Chimie de Rennes (ENSCR), Université Rennes, CNRS, Institut des Sciences Chimiques de Rennes (ISCR)-UMR 6226, F-35000 Rennes, France
| | - Esther Tsai
- Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, NY 11973, USA
| | - David Ginger
- Department of Chemistry, University of Washington, Seattle, WA 98195, USA
| | - David P Fenning
- Aiiso Yufeng Li Family Department of Chemical and Nano Engineering, University of California, San Diego, La Jolla, CA 92093, USA
| | - Mercouri G Kanatzidis
- Department of Chemistry and Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | | | - Jacky Even
- Institut National des Sciences Appliquées (INSA) Rennes, Université Rennes, CNRS, Institut Fonctions Optiques pour les Technologies de l'Information (FOTON)-UMR 6082, F-35000 Rennes, France
| | - Aditya D Mohite
- Department of Materials Science and NanoEngineering, Rice University, Houston, TX 77005, USA
- Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
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2
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AL-Shujaa S, Zhao P, He D, Al-Anesi B, Feng Y, Xia J, Zhang B, Zhang Y. Improving the Efficiency and Stability of Perovskite Solar Cells by Refining the Perovskite-Electron Transport Layer Interface and Shielding the Absorber from UV Effects. ACS APPLIED MATERIALS & INTERFACES 2024; 16:28493-28504. [PMID: 38798187 PMCID: PMC11163405 DOI: 10.1021/acsami.4c03329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/30/2024] [Accepted: 05/15/2024] [Indexed: 05/29/2024]
Abstract
This study aims to enhance the performance of perovskite solar cells (PSCs) by optimizing the interface between the perovskite and electron transport layers (ETLs). Additionally, we plan to protect the absorber layer from ultraviolet (UV) degradation using a ternary oxide system comprising SnO2, strontium stannate (SrSnO3), and strontium oxide (SrO). In this structure, the SnO2 layer functions as an electron transport layer, SrSnO3 acts as a layer for UV filtration, and SrO is employed to passivate the interface. SrSnO3 is characterized by its chemical stability, electrical conductivity, extensive wide band gap energy, and efficient absorption of UV radiation, all of which significantly enhance the photostability of PSCs against UV radiation. Furthermore, incorporating SrSnO3 into the ETL improves its electronic properties, potentially raising the energy level and improving alignment, thereby enhancing the electron transfer from the perovskite layer to the external circuit. Integrating SrO at the interface between the ETL and perovskite layer reduces interface defects, thereby reducing charge recombination and improving electron transfer. This improvement results in higher solar cell efficiency, reduced hysteresis, and extended device longevity. The benefits of this method are evident in the observed improvements: a noticeable increase in open-circuit voltage (Voc) from 1.12 to 1.16 V, an enhancement in the fill factor from 79.4 to 82.66%, a rise in the short-circuit current density (Jsc) from 24.5 to 24.9 mA/cm2 and notably, a marked improvement in the power conversion efficiency (PCE) of PSCs, from 21.79 to 24.06%. Notably, the treated PSCs showed only a slight decline in PCE, reducing from 24.15 to 22.50% over nearly 2000 h. In contrast, untreated SnO2 perovskite devices experienced a greater decline, with efficiency decreasing from 21.79 to 17.83% in just 580 h.
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Affiliation(s)
- Salah AL-Shujaa
- School
of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Peng Zhao
- School
of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Dingqian He
- School
of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Basheer Al-Anesi
- Faculty
of Engineering and Natural Sciences, Tampere
University, Tampere 33014, Finland
| | - Yaqing Feng
- School
of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
| | - Jianxing Xia
- Institute
of Molecular Plus, Tianjin University, Tianjin 300072, China
| | - Bao Zhang
- School
of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
- Haihe
Laboratory of Sustainable Chemical Transformations, 300192 Tianjin, China
| | - Yi Zhang
- School
of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
- Institute
of Molecular Plus, Tianjin University, Tianjin 300072, China
- Haihe
Laboratory of Sustainable Chemical Transformations, 300192 Tianjin, China
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3
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Othman M, Jeangros Q, Jacobs DA, Futscher MH, Zeiske S, Armin A, Jaffrès A, Kuba AG, Chernyshov D, Jenatsch S, Züfle S, Ruhstaller B, Tabean S, Wirtz T, Eswara S, Zhao J, Savenije TJ, Ballif C, Wolff CM, Hessler-Wyser A. Alleviating nanostructural phase impurities enhances the optoelectronic properties, device performance and stability of cesium-formamidinium metal-halide perovskites. ENERGY & ENVIRONMENTAL SCIENCE 2024; 17:3832-3847. [PMID: 38841317 PMCID: PMC11149396 DOI: 10.1039/d4ee00901k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 04/26/2024] [Indexed: 06/07/2024]
Abstract
The technique of alloying FA+ with Cs+ is often used to promote structural stabilization of the desirable α-FAPbI3 phase in halide perovskite devices. However, the precise mechanisms by which these alloying approaches improve the optoelectronic quality and enhance the stability have remained elusive. In this study, we advance that understanding by investigating the effect of cationic alloying in CsxFA1-xPbI3 perovskite thin-films and solar-cell devices. Selected-area electron diffraction patterns combined with microwave conductivity measurements reveal that fine Cs+ tuning (Cs0.15FA0.85PbI3) leads to a minimization of stacking faults and an increase in the photoconductivity of the perovskite films. Ultra-sensitive external quantum efficiency, kelvin-probe force microscopy and photoluminescence quantum yield measurements demonstrate similar Urbach energy values, comparable surface potential fluctuations and marginal impact on radiative emission yields, respectively, irrespective of Cs content. Despite this, these nanoscopic defects appear to have a detrimental impact on inter-grains'/domains' carrier transport, as evidenced by conductive-atomic force microscopy and corroborated by drastically reduced solar cell performance. Importantly, encapsulated Cs0.15FA0.85PbI3 devices show robust operational stability retaining 85% of the initial steady-state power conversion efficiency for 1400 hours under continuous 1 sun illumination at 35 °C, in open-circuit conditions. Our findings provide nuance to the famous defect tolerance of halide perovskites while providing solid evidence about the detrimental impact of these subtle structural imperfections on the long-term operational stability.
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Affiliation(s)
- Mostafa Othman
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Electrical and Micro Engineering (IEM) Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) Neuchâtel Switzerland
| | - Quentin Jeangros
- Centre d'Electronique et de Microtechnique (CSEM) Rue Jaquet-Droz 1 2000 Neuchâtel Switzerland
| | - Daniel A Jacobs
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Electrical and Micro Engineering (IEM) Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) Neuchâtel Switzerland
| | - Moritz H Futscher
- Laboratory for Thin Films and Photovoltaics, Empa - Swiss Federal Laboratories for Materials Science and Technology Überlandstrasse 129 8600 Dübendorf Switzerland
| | - Stefan Zeiske
- Sustainable Advanced Materials (Ser-SAM), Department of Physics, Swansea University Swansea SA2 8PP UK
| | - Ardalan Armin
- Sustainable Advanced Materials (Ser-SAM), Department of Physics, Swansea University Swansea SA2 8PP UK
| | - Anaël Jaffrès
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Electrical and Micro Engineering (IEM) Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) Neuchâtel Switzerland
| | - Austin G Kuba
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Electrical and Micro Engineering (IEM) Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) Neuchâtel Switzerland
| | - Dmitry Chernyshov
- Swiss-Norwegian Beamlines at the European Synchrotron Radiation Facility 71 Avenue des Martyrs F-38000 Grenoble France
| | - Sandra Jenatsch
- Fluxim AG Katharina-Sulzer-Platz 2 Winterthur 8400 Switzerland
| | - Simon Züfle
- Fluxim AG Katharina-Sulzer-Platz 2 Winterthur 8400 Switzerland
| | - Beat Ruhstaller
- Fluxim AG Katharina-Sulzer-Platz 2 Winterthur 8400 Switzerland
| | - Saba Tabean
- Advanced Instrumentation for Nano-Analytics (AINA), Luxembourg Institute of Science and Technology (LIST), Materials Research and Technology Department 41 Rue du Brill Belvaux L-4422 Luxembourg
- University of Luxembourg 2 Avenue de l'Université Esch-sur-Alzette L-4365 Luxembourg
| | - Tom Wirtz
- Advanced Instrumentation for Nano-Analytics (AINA), Luxembourg Institute of Science and Technology (LIST), Materials Research and Technology Department 41 Rue du Brill Belvaux L-4422 Luxembourg
- University of Luxembourg 2 Avenue de l'Université Esch-sur-Alzette L-4365 Luxembourg
| | - Santhana Eswara
- Advanced Instrumentation for Nano-Analytics (AINA), Luxembourg Institute of Science and Technology (LIST), Materials Research and Technology Department 41 Rue du Brill Belvaux L-4422 Luxembourg
- University of Luxembourg 2 Avenue de l'Université Esch-sur-Alzette L-4365 Luxembourg
| | - Jiashang Zhao
- Department of Chemical Engineering, Delft University of Technology Delft The Netherlands
| | - Tom J Savenije
- Department of Chemical Engineering, Delft University of Technology Delft The Netherlands
| | - Christophe Ballif
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Electrical and Micro Engineering (IEM) Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) Neuchâtel Switzerland
- Centre d'Electronique et de Microtechnique (CSEM) Rue Jaquet-Droz 1 2000 Neuchâtel Switzerland
| | - Christian M Wolff
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Electrical and Micro Engineering (IEM) Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) Neuchâtel Switzerland
| | - Aïcha Hessler-Wyser
- Ecole Polytechnique Fédérale de Lausanne (EPFL), Institute of Electrical and Micro Engineering (IEM) Photovoltaics and Thin-Film Electronics Laboratory (PV-Lab) Neuchâtel Switzerland
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Tien CH, Lai WS, Chen LC. Buried Interface Passivation Using Organic Ammonium Salts for Efficient Inverted CsMAFA Perovskite Solar Cell Performance. ACS OMEGA 2024; 9:23033-23039. [PMID: 38826524 PMCID: PMC11137706 DOI: 10.1021/acsomega.4c02656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/08/2024] [Accepted: 05/13/2024] [Indexed: 06/04/2024]
Abstract
This study uses different doping ratios of CsCl and MACl dual additives to improve the quality of the perovskite, where CsCl reduces the perovskite trap density and increases the resistance of charge recombination, and MACl was used to improve the phase stability. Finally, the composition of Cs0.1MA0.09FA0.81PbCl0.14I2.86 perovskite solar cell (PeSC) can achieve better open-circuit voltage (Voc), short-circuit current density (Jsc), and photoelectric conversion efficiency (PCE). To achieve a better PCE of PeSC, the use of organic ammonium salt butane-1,4-diammonium iodide (BDAI2) to passivate the perovskite bottom surface (buried interface) can effectively suppress the formation of defects at the perovskite buried interface, obtain higher crystallinity, and thereby reduce the probability of carrier recombination. The Jsc, fill factor (FF), and PCE of the PeSC based on BDAI2 passivation increased from 24.0 mA cm-2, 74.1%, and 18.6% to 24.5 mA cm-2, 79.9%, and 20.5%, respectively.
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Affiliation(s)
- Ching-Ho Tien
- Department
of Electronic Engineering, Ming Chi University
of Technology, No. 84,
Gungjuan Rd., New Taipei City 24301, Taiwan
- Organic
Electronics Research Center, Ming Chi University
of Technology, No. 84,
Gungjuan Rd., New Taipei City 24301, Taiwan
| | - Wei-Shuo Lai
- Department
of Electro-Optical Engineering, National
Taipei University of Technology, No. 1, Sec. 3, Chung-Hsiao E. Rd., Taipei 10608, Taiwan
| | - Lung-Chien Chen
- Department
of Electro-Optical Engineering, National
Taipei University of Technology, No. 1, Sec. 3, Chung-Hsiao E. Rd., Taipei 10608, Taiwan
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5
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Luo F, Lim D, Seok HJ, Kim HK. Solvent-free preparation and thermocompression self-assembly: an exploration of performance improvement strategies for perovskite solar cells. RSC Adv 2024; 14:17261-17294. [PMID: 38808244 PMCID: PMC11132079 DOI: 10.1039/d4ra02191f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 05/10/2024] [Indexed: 05/30/2024] Open
Abstract
Perovskite solar cells (PSCs) exhibit sufficient technological efficiency and economic competitiveness. However, their poor stability and scalability are crucial factors limiting their rapid development. Therefore, achieving both high efficiency and good stability is an urgent challenge. In addition, the preparation methods for PSCs are currently limited to laboratory-scale methods, so their commercialization requires further research. Effective packaging technology is essential to protect the PSCs from degradation by external environmental factors and ensure their long-term stability. The industrialization of PSCs is also inseparable from the preparation technology of perovskite thin films. This review discusses the solvent-free preparation of PSCs, shedding light on the factors that affect PSC performance and strategies for performance enhancement. Furthermore, this review analyzes the existing simulation techniques that have contributed to a better understanding of the interfacial evolution of PSCs during the packaging process. Finally, the current challenges and possible solutions are highlighted, providing insights to facilitate the development of highly efficient and stable PSC modules to promote their widespread application.
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Affiliation(s)
- Fang Luo
- School of Advanced Materials Science and Engineering, Sungkyunkwan University 2066, Seobu-ro Jangan-gu Suwon-si Gyeonggi-do 16419 the Republic of Korea
| | - Doha Lim
- School of Advanced Materials Science and Engineering, Sungkyunkwan University 2066, Seobu-ro Jangan-gu Suwon-si Gyeonggi-do 16419 the Republic of Korea
| | - Hae-Jun Seok
- School of Advanced Materials Science and Engineering, Sungkyunkwan University 2066, Seobu-ro Jangan-gu Suwon-si Gyeonggi-do 16419 the Republic of Korea
| | - Han-Ki Kim
- School of Advanced Materials Science and Engineering, Sungkyunkwan University 2066, Seobu-ro Jangan-gu Suwon-si Gyeonggi-do 16419 the Republic of Korea
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6
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Muzzillo CP, Ciobanu CV, Moore DT. High-entropy alloy screening for halide perovskites. MATERIALS HORIZONS 2024. [PMID: 38767287 DOI: 10.1039/d4mh00464g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
As the concept of high-entropy alloying (HEA) extends beyond metals, new materials screening methods are needed. Halide perovskites (HP) are a prime case study because greater stability is needed for photovoltaics applications, and there are 322 experimentally observed HP end-members, which leads to more than 1057 potential alloys. We screen HEAHP by first calculating the configurational entropy of 106 equimolar alloys with experimentally observed end-members. To estimate enthalpy at low computational cost, we turn to the delta-lattice parameter approach, a well-known method for predicting III-V alloy miscibility. To generalize the approach for non-cubic crystals, we introduce the parameter of unit cell volume coefficient of variation (UCV), which does a good job of predicting the experimental HP miscibility data. We use plots of entropy stabilization versus UCV to screen promising alloys and identify 102 HEAHP of interest.
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Affiliation(s)
| | | | - David T Moore
- National Renewable Energy Laboratory, Golden, CO, USA.
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7
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Miah MH, Khandaker MU, Rahman MB, Nur-E-Alam M, Islam MA. Band gap tuning of perovskite solar cells for enhancing the efficiency and stability: issues and prospects. RSC Adv 2024; 14:15876-15906. [PMID: 38756852 PMCID: PMC11097048 DOI: 10.1039/d4ra01640h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 04/27/2024] [Indexed: 05/18/2024] Open
Abstract
The intriguing optoelectronic properties, diverse applications, and facile fabrication techniques of perovskite materials have garnered substantial research interest worldwide. Their outstanding performance in solar cell applications and excellent efficiency at the lab scale have already been proven. However, owing to their low stability, the widespread manufacturing of perovskite solar cells (PSCs) for commercialization is still far off. Several instability factors of PSCs, including the intrinsic and extrinsic instability of perovskite materials, have already been identified, and a variety of approaches have been adopted to improve the material quality, stability, and efficiency of PSCs. In this review, we have comprehensively presented the significance of band gap tuning in achieving both high-performance and high-stability PSCs in the presence of various degradation factors. By investigating the mechanisms of band gap engineering, we have highlighted its pivotal role in optimizing PSCs for improved efficiency and resilience.
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Affiliation(s)
- Md Helal Miah
- Applied Physics and Radiation Technologies Group, CCDCU, School of Engineering and Technology, Sunway University 47500 Bandar Sunway Selangor Malaysia
- Department of Physics, Bangabandhu Sheikh Mujibur Rahman Science and Technology University Gopalganj-8100 Bangladesh
| | - Mayeen Uddin Khandaker
- Applied Physics and Radiation Technologies Group, CCDCU, School of Engineering and Technology, Sunway University 47500 Bandar Sunway Selangor Malaysia
- Faculty of Graduate Studies, Daffodil International University Daffodil Smart City, Birulia, Savar Dhaka-1216 Bangladesh
| | - Md Bulu Rahman
- Department of Physics, Bangabandhu Sheikh Mujibur Rahman Science and Technology University Gopalganj-8100 Bangladesh
| | - Mohammad Nur-E-Alam
- Institute of Sustainable Energy, Universiti Tenaga Nasional Jalan IKRAM-UNITEN Kajang 43000 Selangor Malaysia
- School of Science, Edith Cowan University 270 Joondalup Drive Joondalup-6027 WA Australia
| | - Mohammad Aminul Islam
- Department of Electrical Engineering, Faculty of Engineering, Universiti Malaya, Jalan Universiti 50603 Kuala Lumpur Malaysia
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8
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Wang Z, Gao H, Wu D, Meng J, Deng J, Cui M. Defects and Defect Passivation in Perovskite Solar Cells. Molecules 2024; 29:2104. [PMID: 38731595 PMCID: PMC11085331 DOI: 10.3390/molecules29092104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
Perovskite solar cells have made significant strides in recent years. However, there are still challenges in terms of photoelectric conversion efficiency and long-term stability associated with perovskite solar cells. The presence of defects in perovskite materials is one of the important influencing factors leading to subpar film quality. Adopting additives to passivate defects within perovskite materials is an effective approach. Therefore, we first discuss the types of defects that occur in perovskite materials and the mechanisms of their effect on performance. Then, several types of additives used in perovskite solar cells are discussed, including ionic compounds, organic molecules, polymers, etc. This review provides guidance for the future development of more sustainable and effective additives to improve the performance of solar cells.
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Affiliation(s)
| | - Hongli Gao
- School of Physics and Optoelectronic Engineering, Beijing University of Technology, Beijing 100124, China
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9
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Ling X, Guo J, Shen C, Li Y, Tian H, Yuan X, Gui L, Zhang X, Li B, Chen S, Li R, Yuan J, Ma W, Deng Y. High-Throughput Deposition of Recyclable SnO 2 Electrodes toward Efficient Perovskite Solar Cells. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308579. [PMID: 38048537 DOI: 10.1002/smll.202308579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/16/2023] [Indexed: 12/06/2023]
Abstract
Chemical bath deposited (CBD) SnO2 is one of the most prevailing electron transport layers for realizing high-efficiency perovskite solar cells (PSCs) so far. However, the state-of-the-art CBD SnO2 process is time-consuming, contradictory to its prospect in industrialization. Herein, a simplified yet efficient method is developed for the fast deposition of SnO2 electrodes by incorporating a concentrated Sn source stabilized by the ethanol ligand with antimony (Sb) doping. The higher concentration of Sn source promotes the deposition rate, and Sb doping improves the hole-blocking capability of the CBD SnO2 layer so that its target thickness can be reduced to further save the deposition time. As a result, the deposition time can be appreciably reduced from 3-4 h to only 5 min while maintaining 95% of the maximum efficiency, indicating the power of the method toward high-throughput production of efficient PSCs. Additionally, the CBD SnO2 substrates are recyclable after removing the upper layers of complete PSCs, and the refurbished PSCs can maintain ≈98% of their initial efficiency after three recycling-and-fabrication processes.
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Affiliation(s)
- Xufeng Ling
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, China
| | - Junjun Guo
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Chengxia Shen
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, China
| | - Yiping Li
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, China
| | - Hongxing Tian
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, China
| | - Xiangbao Yuan
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, China
| | - Lin Gui
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, China
| | - Xuliang Zhang
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Bin Li
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Shijian Chen
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, China
- Institute for Smart City of Chongqing University in Liyang, Changzhou, Jiangsu, 213332, China
| | - Ru Li
- College of Optoelectronic Engineering, Chongqing University, Chongqing, 400044, China
| | - Jianyu Yuan
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Wanli Ma
- Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, Suzhou, Jiangsu, 215123, China
| | - Yehao Deng
- Chongqing Key Laboratory of Soft Condensed Matter Physics and Smart Materials, College of Physics, Chongqing University, Chongqing, 401331, China
- Institute for Smart City of Chongqing University in Liyang, Changzhou, Jiangsu, 213332, China
- Center of Quantum Materials and Devices, Chongqing University, Chongqing, 401331, China
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10
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Song F, Zheng D, Feng J, Liu J, Ye T, Li Z, Wang K, Liu SF, Yang D. Mechanical Durability and Flexibility in Perovskite Photovoltaics: Advancements and Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312041. [PMID: 38219020 DOI: 10.1002/adma.202312041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/18/2023] [Indexed: 01/15/2024]
Abstract
The remarkable progress in perovskite solar cell (PSC) technology has witnessed a remarkable leap in efficiency within the past decade. As this technology continues to mature, flexible PSCs (F-PSCs) are emerging as pivotal components for a wide array of applications, spanning from powering portable electronics and wearable devices to integrating seamlessly into electronic textiles and large-scale industrial roofing. F-PSCs characterized by their lightweight, mechanical flexibility, and adaptability for cost-effective roll-to-roll manufacturing, hold immense commercial potential. However, the persistent concerns regarding the overall stability and mechanical robustness of these devices loom large. This comprehensive review delves into recent strides made in enhancing the mechanical stability of F-PSCs. It covers a spectrum of crucial aspects, encompassing perovskite material optimization, precise crystal grain regulation, film quality enhancement, strategic interface engineering, innovational developed flexible transparent electrodes, judicious substrate selection, and the integration of various functional layers. By collating and analyzing these dedicated research endeavors, this review illuminates the current landscape of progress in addressing the challenges surrounding mechanical stability. Furthermore, it provides valuable insights into the persistent obstacles and bottlenecks that demand attention and innovative solutions in the field of F-PSCs.
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Affiliation(s)
- Fei Song
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Dexu Zheng
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Jiangshan Feng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jishuang Liu
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Tao Ye
- Ministry of Education Key Laboratory of Micro/Nano Systems for Aerospace, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Zhipeng Li
- China National Nuclear Power Co., Ltd., Beijing, 100097, China
| | - Kai Wang
- Huanjiang Laboratory, School of Aeronautics and Astronautics, Zhejiang University, Zhuji, 311800, China
| | - Shengzhong Frank Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Dong Yang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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11
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Game OS, Thornber T, Cepero-Mejías F, Infante-Ortega LC, Togay M, Cassella EJ, Kilbride RC, Gordon RH, Mullin N, Greenhalgh RC, Isherwood PJM, Walls JM, Fairclough JPA, Lidzey DG. Direct Integration of Perovskite Solar Cells with Carbon Fiber Substrates. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2209950. [PMID: 37001880 DOI: 10.1002/adma.202209950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 03/07/2023] [Indexed: 05/18/2023]
Abstract
Integrating photovoltaic devices onto the surface of carbon-fiber-reinforced polymer substrates should create materials with high mechanical strength that are also able to generate electrical power. Such devices are anticipated to find ready applications as structural, energy-harvesting systems in both the automotive and aeronautical sectors. Here, the fabrication of triple-cation perovskite n-i-p solar cells onto the surface of planarized carbon-fiber-reinforced polymer substrates is demonstrated, with devices utilizing a transparent top ITO contact. These devices also contain a "wrinkled" SiO2 interlayer placed between the device and substrate that alleviates thermally induced cracking of the bottom ITO layer. Devices are found to have a maximum stabilized power conversion efficiency of 14.5% and a specific power (power per weight) of 21.4 W g-1 (without encapsulation), making them highly suitable for mobile power applications.
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Affiliation(s)
- Onkar S Game
- Department of Physics & Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield, S3 7RH, UK
| | - Timothy Thornber
- Department of Physics & Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield, S3 7RH, UK
| | - Fernando Cepero-Mejías
- Department of Mechanical Engineering, University of Sheffield, Sir Frederick Mappin Building, Mappin Street, Sheffield, S1 3JD, UK
| | - Luis C Infante-Ortega
- CREST, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Mustafa Togay
- CREST, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Elena J Cassella
- Department of Physics & Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield, S3 7RH, UK
| | - Rachel C Kilbride
- Department of Physics & Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield, S3 7RH, UK
| | - Robert H Gordon
- Department of Physics & Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield, S3 7RH, UK
| | - Nic Mullin
- Department of Physics & Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield, S3 7RH, UK
| | - Rachael C Greenhalgh
- CREST, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - Patrick J M Isherwood
- CREST, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - J Michael Walls
- CREST, Wolfson School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Loughborough, Leicestershire, LE11 3TU, UK
| | - J Patrick A Fairclough
- Department of Mechanical Engineering, University of Sheffield, Sir Frederick Mappin Building, Mappin Street, Sheffield, S1 3JD, UK
| | - David G Lidzey
- Department of Physics & Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield, S3 7RH, UK
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12
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Srathongsian L, Kaewprajak A, Naikaew A, Seriwattanachai C, Phuphathanaphong N, Inna A, Chotchuangchutchaval T, Passatorntaschakorn W, Kumnorkaew P, Sahasithiwat S, Wongratanaphisan D, Ruankham P, Supruangnet R, Nakajima H, Pakawatpanurut P, Kanjanaboos P. Cs and Br tuning to achieve ultralow-hysteresis and high-performance indoor triple cation perovskite solar cell with low-cost carbon-based electrode. iScience 2024; 27:109306. [PMID: 38495820 PMCID: PMC10940937 DOI: 10.1016/j.isci.2024.109306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/26/2023] [Accepted: 02/16/2024] [Indexed: 03/19/2024] Open
Abstract
With high efficacy for electron-photon conversion under low light, perovskite materials show great potential for indoor solar cell applications to power small electronics for internet of things (IoTs). To match the spectrum of an indoor LED light source, triple cation perovskite composition was varied to adjust band gap values via Cs and Br tuning. However, increased band gaps lead to morphology, phase instability, and defect issues. 10% Cs and 30% Br strike the right balance, leading to low-cost carbon-based devices with the highest power conversion efficiency (PCE) of 31.94% and good stability under low light cycles. With further improvement in device stack and size, functional solar cells with the ultralow hysteresis index (HI) of 0.1 and the highest PCE of 30.09% with an active area of 1 cm2 can be achieved. A module from connecting two such cells in series can simultaneously power humidity and temperature sensors under 1000 lux.
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Affiliation(s)
- Ladda Srathongsian
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Anusit Kaewprajak
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand
| | - Atittaya Naikaew
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Chaowaphat Seriwattanachai
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Napan Phuphathanaphong
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Anuchytt Inna
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Nakhon Pathom 73170, Thailand
| | - Thana Chotchuangchutchaval
- Center of Sustainable Energy and Engineering Materials (SEEM), College of Industrial Technology, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand
- Department of Mechanical Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok, Bangkok 10800, Thailand
| | - Woraprom Passatorntaschakorn
- Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Pisist Kumnorkaew
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand
| | - Somboon Sahasithiwat
- National Metal and Materials Technology Center (MTEC), National Science and Technology Development Agency, Pathum Thani 12120, Thailand
| | - Duangmanee Wongratanaphisan
- Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Pipat Ruankham
- Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | | | - Hideki Nakajima
- Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima 30000, Thailand
| | - Pasit Pakawatpanurut
- Department of Chemistry and Center of Sustainable Energy and Green Materials, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH CIC), Ministry of Higher Education, Science, Research and Innovation, Bangkok 10400, Thailand
| | - Pongsakorn Kanjanaboos
- School of Materials Science and Innovation, Faculty of Science, Mahidol University, Nakhon Pathom 73170, Thailand
- Center of Excellence for Innovation in Chemistry (PERCH CIC), Ministry of Higher Education, Science, Research and Innovation, Bangkok 10400, Thailand
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13
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Cabrera-Espinoza A, Collavini S, Sánchez JG, Kosta I, Palomares E, Delgado JL. Photo-Cross-Linked Fullerene-Based Hole Transport Material for Moisture-Resistant Regular Fullerene Sandwich Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16. [PMID: 38620071 PMCID: PMC11056936 DOI: 10.1021/acsami.4c02573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 04/17/2024]
Abstract
Despite the high efficiencies currently achieved with perovskite solar cells (PSCs), the need to develop stable devices, particularly in humid conditions, still remains. This study presents the synthesis of a novel photo-cross-linkable fullerene-based hole transport material named FT12. For the first time, the photo-cross-linking process is applied to PSCs, resulting in the preparation of photo-cross-linked FT12 (PCL FT12). Regular PSCs based on C60-sandwich architectures were fabricated using FT12 and PCL FT12 as dopant-free hole transport layers (HTLs) and compared to the reference spiro-OMeTAD. The photovoltaic results demonstrate that both FT12 and PCL FT12 significantly outperform pristine spiro-OMeTAD regarding device performance and stability. The comparison between devices based on FT12 and PCL FT12 demonstrates that the photo-cross-linking process enhances device efficiency. This improvement is primarily attributed to enhanced charge extraction, partial oxidation of the HTL, increased hole mobility, and improved layer morphology. PCL FT12-based devices exhibit improved stability compared to FT12 devices, primarily due to the superior moisture resistance achieved through photo-cross-linking.
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Affiliation(s)
- Andrea Cabrera-Espinoza
- POLYMAT, University of the Basque Country UPV/EHU, Avenida Tolosa 72, Donostia/San Sebastián 20018, Spain
| | - Silvia Collavini
- POLYMAT, University of the Basque Country UPV/EHU, Avenida Tolosa 72, Donostia/San Sebastián 20018, Spain
| | - José G. Sánchez
- Institute
of Chemical Research of Catalonia, The Barcelona
Institute of Science and Technology (ICIQ-BIST), Avinguda Països Catalans 16, Tarragona 43007, Spain
| | - Ivet Kosta
- CIDETEC, Basque Research and
Technology Alliance (BRTA), Paseo Miramón 196, Donostia/San Sebastián 20014, Spain
| | - Emilio Palomares
- Institute
of Chemical Research of Catalonia, The Barcelona
Institute of Science and Technology (ICIQ-BIST), Avinguda Països Catalans 16, Tarragona 43007, Spain
- ICREA, Passeig Lluís Companys 23, Barcelona 08010, Spain
| | - Juan Luis Delgado
- POLYMAT, University of the Basque Country UPV/EHU, Avenida Tolosa 72, Donostia/San Sebastián 20018, Spain
- Ikerbasque,
Basque Foundation for Science, Bilbao 48013, Spain
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14
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Su L, Hu X, Jisi L, Chen F, Wei Y, Zhou R, Zhao H, Chen Y, Qu J, Gou Y, Xiong Y, Tang B, Liang M, Zhang W. Passivating Defects via Retarding the Reaction Rate of FAI and PbI 2 Enables Stable Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38600888 DOI: 10.1021/acsami.4c00639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
The two-step sequential deposition strategy has garnered widespread usage in the fabrication of high-performance perovskite solar cells based on FAPbI3. However, the rapid reaction between FAI and PbI2 during preparation often leads to incomplete reactions, reducing the device efficiency and stability. Herein, we introduced a multifunctional additive, 2-thiophenyl trifluoroacetone (TTA), into the FAI precursor. The incorporation of TTA has proven to be highly effective in slowing the reaction rate between FAI and PbI2, resulting in increased perovskite formation and improved efficiency and stability of the devices. TTA's CF3 groups interact with FAI via hydrogen bonding, effectively suppressing FA+ defects. The S and C═O groups share lone pair electrons with uncoordinated Pb2+, leading to a reduction in perovskite film defects and suppressing nonradiative recombination. Additionally, the CF3 groups impart hydrophobicity, protecting the perovskite film from moisture-induced erosion. As a result, the TTA-modified perovskite film achieves a Champion efficiency of 23.42% compared to the control's 21.52, with 20.58% efficiency for a 25 cm2 solar module. Remarkably, the unencapsulated Champion device retains 86% of its initial PCE after 1080 h under dark conditions (60 ± 5 °C, 35 ± 5% RH), indicating enhanced long-term stability. These findings offer a promising and cost-effective tactic for high-quality perovskite film fabrication.
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Affiliation(s)
- Liping Su
- School of Electrical Information, Southwest Petroleum University, Chengdu 610500, China
| | - Xin Hu
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Longhao Jisi
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Fengxuan Chen
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Yanbei Wei
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Rui Zhou
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Huiyao Zhao
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Yangdi Chen
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Jun Qu
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Yunsheng Gou
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
| | - Yonglian Xiong
- College of Automotive Engineering, Yancheng Institute of Technology, Yancheng 224051, Jiangsu, China
| | - Bin Tang
- College of Science, Southwest Petroleum University, Chengdu 610500, China
| | - Mao Liang
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, Tianjin University of Technology, Tianjin 300384, China
| | - Wenfeng Zhang
- School of Electrical Information, Southwest Petroleum University, Chengdu 610500, China
- School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
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15
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Zhu X, Xiong W, Hu C, Mo K, Yang M, Li Y, Li R, Shen C, Liu Y, Liu X, Wang S, Lin Q, Yuan S, Liu Z, Wang Z. Constructing Ultra-Shallow Near-Edge States for Efficient and Stable Perovskite Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309487. [PMID: 38174652 DOI: 10.1002/adma.202309487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/28/2023] [Indexed: 01/05/2024]
Abstract
Electronic band structure engineering of metal-halide perovskites (MHP) lies at the core of fundamental materials research and photovoltaic applications. However, reconfiguring the band structures in MHP for optimized electronic properties remains challenging. This article reports a generic strategy for constructing near-edge states to improve carrier properties, leading to enhanced device performances. The near-edge states are designed around the valence band edge using theoretical prediction and constructed through tailored material engineering. These states are experimentally revealed with activation energies of around 23 milli-electron volts by temperature-dependent time-resolved spectroscopy. Such small activation energies enable prolonged carrier lifetime with efficient carrier transition dynamics and low non-radiative recombination losses, as corroborated by the millisecond lifetimes of microwave conductivity. By constructing near-edge states in positive-intrinsic-negative inverted cells, a champion efficiency of 25.4% (25.0% certified) for a 0.07-cm2 cell and 23.6% (22.7% certified) for a 1-cm2 cell is achieved. The most stable encapsulated cell retains 90% of its initial efficiency after 1100 h of maximum power point tracking under one sun illumination (100 mW cm-2) at 65 °C in ambient air.
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Affiliation(s)
- Xueliang Zhu
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
- Wuhan Institute of Quantum Technology, Wuhan, 430206, China
| | - Wenqi Xiong
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
| | - Chong Hu
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
| | - Kangwei Mo
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
- Wuhan Institute of Quantum Technology, Wuhan, 430206, China
| | - Man Yang
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
- Wuhan Institute of Quantum Technology, Wuhan, 430206, China
| | - Yanyan Li
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
| | - Ruiming Li
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
| | - Chen Shen
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
| | - Yong Liu
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
| | - Xiaoze Liu
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
- Wuhan Institute of Quantum Technology, Wuhan, 430206, China
| | - Sheng Wang
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
- Wuhan Institute of Quantum Technology, Wuhan, 430206, China
| | - Qianqian Lin
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
| | - Shengjun Yuan
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
- Wuhan Institute of Quantum Technology, Wuhan, 430206, China
| | - Zhengyou Liu
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
| | - Zhiping Wang
- School of Physics and Technology, Hubei Luojia Laboratory, Key Lab of Artificial Micro- and Nano-Structures of Ministry of Education, School of Microelectronics Wuhan University, Wuhan, 430072, China
- Wuhan Institute of Quantum Technology, Wuhan, 430206, China
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16
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Wang Y, Yang C, Wang Z, Li G, Yang Z, Wen X, Hu X, Jiang Y, Feng SP, Chen Y, Zhou G, Liu JM, Gao J. A Self-Assembled 3D/0D Quasi-Core-Shell Structure as Internal Encapsulation Layer for Stable and Efficient FAPbI 3 Perovskite Solar Cells and Modules. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306954. [PMID: 37990368 DOI: 10.1002/smll.202306954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 11/02/2023] [Indexed: 11/23/2023]
Abstract
FAPbI3 perovskites have garnered considerable interest owing to their outstanding thermal stability, along with near-theoretical bandgap and efficiency. However, their inherent phase instability presents a substantial challenge to the long-term stability of devices. Herein, this issue through a dual-strategy of self-assembly 3D/0D quasi-core-shell structure is tackled as an internal encapsulation layer, and in situ introduction of excess PbI2 for surface and grain boundary defects passivating, therefore preventing moisture intrusion into FAPbI3 perovskite films. By utilizing this method alone, not only enhances the stability of the FAPbI3 film but also effectively passivates defects and minimizes non-radiative recombination, ultimately yielding a champion device efficiency of 23.23%. Furthermore, the devices own better moisture resistance, exhibiting a T80 lifetime exceeding 3500 h at 40% relative humidity (RH). Meanwhile, a 19.51% PCE of mini-module (5 × 5 cm2) is demonstrated. This research offers valuable insights and directions for the advancement of stable and highly efficient FAPbI3 perovskite solar cells.
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Affiliation(s)
- Yuqi Wang
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Chao Yang
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Zhen Wang
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Gu Li
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Zhengchi Yang
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Xinyang Wen
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Xiaowen Hu
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Yue Jiang
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Shien-Ping Feng
- Department of Advanced Design and Systems Engineering, City University of Hong Kong, Hong Kong, 999077, China
| | - Yiwang Chen
- School of Physics and Electronic Information, Gannan Normal University, Ganzhou, Jiangxi, 341000, China
| | - Guofu Zhou
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology & Institute of Electronic Paper Displays, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
| | - Jun-Ming Liu
- Laboratory of Solid-State Microstructures, Nanjing University, Nanjing, 210093, China
| | - Jinwei Gao
- Institute for Advanced Materials & Guangdong Provincial Key Laboratory of Optical Information Materials and Technology, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006, China
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17
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Ghasemi M, Wei Q, Lu J, Yang Y, Hou J, Jia B, Wen X. Can thick metal-halide perovskite single crystals have narrower optical bandgaps with near-infrared absorption? Phys Chem Chem Phys 2024; 26:9137-9148. [PMID: 38456202 DOI: 10.1039/d4cp00034j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Metal-halide perovskite (MHP) single crystals are emerging as potential competitors to their polycrystalline thin-film counterparts. These materials have shown the specific feature of extended absorbance towards the near-infrared (NIR) region, which promises further extension of their applications in the field of photovoltaics and photodetectors. This notable expansion of absorbance has been explained by the narrower effective optical bandgap of MHP single crystals promoted by their large thickness over several micrometres to millimetres. Herein, the attributes of the material's thickness and the measurement technique used to estimate these characteristics are discussed to elucidate the actual origins of the extended absorbance of MHP single crystals. Contrary to the general belief of the narrower bandgap of the MHP single crystals, we demonstrate that the extended NIR absorption in the MHP single crystals mainly originates from the combination of unique below-bandgap absorption of MHPs, the thickness of single crystals, and the technical limitation of the spectrophotometer, with the key attributes of (i) significantly large thickness of the MHP single crystals by suppressing the transmitted light and (ii) the detector's limited dynamic range. Combining the theoretical and experimental characterizations, we clarify the significant role of the large thickness together with the limited sensitivity of the detector in promoting the well-known red shift of the absorption onset of the MHP single crystals. The observations evidently show that in some special circumstances, the acquired absorption spectrum cannot reliably represent the optical bandgap of MHP materials. This highlights some misinterpretations in the estimation of the narrower optical bandgap of the MHP single crystals from conventional optical methods, while the optical bandgap is an inherent property independent of the thickness. The proposed broad applications of the MHP single crystals are dictated by their fascinating properties, and therefore, a deep insight into these features should be considered besides device applications, because much of their property-function relationships are still ambiguous and a subject of debate.
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Affiliation(s)
- Mehri Ghasemi
- School of Science, RMIT University, Melbourne 3000, Australia.
| | - Qianwen Wei
- National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, China
| | - Junlin Lu
- School of Science, RMIT University, Melbourne 3000, Australia.
| | - Yu Yang
- National Center for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, Kunming 650091, China
| | - Jingwei Hou
- School of Chemical Engineering, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Baohua Jia
- School of Science, RMIT University, Melbourne 3000, Australia.
| | - Xiaoming Wen
- School of Science, RMIT University, Melbourne 3000, Australia.
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18
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Wang Y, Zou J, Zhao C, Jiang H, Song Y, Zhang L, Li X, Wang F, Fan L, Liu X, Wei M, Yang L. Building a Charge Transfer Bridge between g-C 3N 4 and Perovskite with Molecular Engineering to Achieve Efficient Perovskite Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:13815-13827. [PMID: 38442230 DOI: 10.1021/acsami.3c19475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
Effective defect passivation and efficient charge transfer within polycrystalline perovskite grains and corresponding boundaries are necessary to achieve highly efficient perovskite solar cells (PSCs). Herein, focusing on the boundary location of g-C3N4 during the crystallization modulation on perovskite, molecular engineering of 4-carboxyl-3-fluorophenylboronic acid (BF) on g-C3N4 was designed to obtain a novel additive named BFCN. With the help of the strong bonding ability of BF with both g-C3N4 and perovskite and favorable intramolecular charge transfer within BFCN, not only has the crystal quality of perovskite films been improved due to the effective defects passivation, but the charge transfer has also been greatly accelerated due to the formation of additional charge transfer channels on the grain boundaries. As a result, the champion BFCN-based PSCs achieve the highest photoelectric conversion efficiency (PCE) of 23.71% with good stability.
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Affiliation(s)
- Yingjie Wang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Jinhang Zou
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Congyu Zhao
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Haipeng Jiang
- Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuhuan Song
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Le Zhang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Xin Li
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Fengyou Wang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Lin Fan
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Xiaoyan Liu
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Maobin Wei
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
| | - Lili Yang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130013, China
- National Demonstration Center for Experimental Physics Education, Jilin Normal University, Siping 136000, China
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19
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Noor NA, Tahir W, Mumtaz S, Elansary HO. Physical properties of ferromagnetic Mn-doped double perovskites (DPs) Cs 2AgInCl/Br 6 for spintronics and solar cell devices: DFT calculations. RSC Adv 2024; 14:9497-9508. [PMID: 38516157 PMCID: PMC10953807 DOI: 10.1039/d4ra00754a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/11/2024] [Indexed: 03/23/2024] Open
Abstract
A computational framework based on density functional theory (DFT) has been effectively employed to investigate the wide-ranging physical characteristics of ferromagnetic manganese (Mn)-substituted double perovskites (DPs) with composition Cs2AgIn1-xMnxCl/Br6 (x = 0.0, 0.25). This research covers a systematic exploration of the mentioned DPs for potential applications in the domains of spintronics and energy conversion devices. The physics concerning ferromagnetic (FM) Cs2AgIn0.75Mn0.25Cl/Br6 DPs was studied computationally using the modified Becke-Johnson (mBJ-LDA) potential and the generalized gradient approximation (PBEsol GGA) method introduced by Perdew, Burke, and Ernzerhof. The structural, electronic, magnetic, and transport behavior of materials were investigated using these computations. Structural parameters for both perovskite materials were computed subsequent to their optimization in FM phase. According to evaluations of the electronic band structure and density of states (DOS), the incorporation of Mn ions into the host lattice causes exchange splitting induced by p-d hybridization, consequently stabilizing the FM state. Probing the sharing of magnetic moment, charge, and spin between the substituent cations and the host anions led to the comprehensive elaboration of this exchange splitting of bands. Important parameters such as exchange constants (N0α, N0β), and direct spin-exchange splitting Δx(d), support the stability of the FM state. Finally, we briefly explored the spin effect on other aspects of electronic transport, the Seebeck coefficient, and the power factor, using the conventional Boltzmann transport theory.
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Affiliation(s)
- N A Noor
- Department of Physics, RIPHAH International University Campus Lahore Pakistan
| | - Wasim Tahir
- Institute of Physics, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| | - Sohail Mumtaz
- Electrical and Biological Physics, Krangwoon University Seoul 01897 South Korea
| | - Hosam O Elansary
- Plant Production Department, College of Food and Agriculture Sciences, King Saud University P. O. Box 2460 Riyadh 11451 Saudi Arabia
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20
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Pols M, van Duin ACT, Calero S, Tao S. Mixing I and Br in Inorganic Perovskites: Atomistic Insights from Reactive Molecular Dynamics Simulations. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2024; 128:4111-4118. [PMID: 38476824 PMCID: PMC10926166 DOI: 10.1021/acs.jpcc.4c00563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 02/06/2024] [Accepted: 02/08/2024] [Indexed: 03/14/2024]
Abstract
All-inorganic halide perovskites have received a great deal of attention as attractive alternatives to overcome the stability issues of hybrid halide perovskites that are commonly associated with organic cations. To find a compromise between the optoelectronic properties of CsPbI3 and CsPbBr3, perovskites with CsPb(BrxI1-x)3 mixed compositions are commonly used. An additional benefit is that without sacrificing the optoelectronic properties for applications such as solar cells or light-emitting diodes, small amounts of Br in CsPbI3 can prevent the inorganic perovskite from degrading to a photo-inactive non-perovskite yellow phase. Despite indications that strain in the perovskite lattice plays a role in the stabilization of the material, a full understanding of such strain is lacking. Here, we develop a reactive force field (ReaxFF) for perovskites starting from our previous work for CsPbI3, and we extend this force field to CsPbBr3 and mixed CsPb(BrxI1-x)3 compounds. This force field is used in large-scale molecular dynamics simulations to study perovskite phase transitions and the internal ion dynamics associated with the phase transitions. We find that an increase of the Br content lowers the temperature at which the perovskite reaches a cubic structure. Specifically, by substituting Br for I, the smaller ionic radius of Br induces a strain in the lattice that changes the internal dynamics of the octahedra. Importantly, this effect propagates through the perovskite lattice ranging up to distances of 2 nm, explaining why small concentrations of Br in CsPb(BrxI1-x)3 (x ≤ 1/4) have a significant impact on the phase stability of mixed halide perovskites.
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Affiliation(s)
- Mike Pols
- Materials
Simulation & Modelling, Department of Applied Physics and Science
Education, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
- Center
for Computational Energy Research, Department of Applied Physics and
Science Education, Eindhoven University
of Technology, 5600 MB Eindhoven, The Netherlands
| | - Adri C. T. van Duin
- Department
of Mechanical Engineering, Pennsylvania
State University, University
Park, Pennsylvania 16802, United States
| | - Sofía Calero
- Materials
Simulation & Modelling, Department of Applied Physics and Science
Education, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
| | - Shuxia Tao
- Materials
Simulation & Modelling, Department of Applied Physics and Science
Education, Eindhoven University of Technology, 5600 MB Eindhoven, The Netherlands
- Center
for Computational Energy Research, Department of Applied Physics and
Science Education, Eindhoven University
of Technology, 5600 MB Eindhoven, The Netherlands
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21
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Xue Y, Lin C, Zhong J, Huang D, Persson C. Group-IIIA element doped BaSnS 2 as a high efficiency absorber for intermediate band solar cell from a first-principles insight. Phys Chem Chem Phys 2024; 26:8380-8389. [PMID: 38404232 DOI: 10.1039/d3cp05824g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
The quest for high-performance solar cell absorbers has garnered significant attention in the field of photovoltaic research in recent years. To overcome the Shockley-Queisser (SQ) limit of ∼31% for single junction solar cell and realize higher power conversion efficiency, the concept of an intermediate band solar cell (IBSC) has been proposed. This involves the incorporation of an intermediate band (IB) to assist the three band-edge absorptions within the single absorber layer. BaSnS2 has an appropriate width of its forbidden gap in order to host an IB. In this work, doping of BaSnS2 was studied based on hybrid functional calculations. The results demonstrated that isolated and half-filled IBs were generated with suitable energy states in the band gap region after group-IIIA element (i.e., Al, Ga, and In) doping at Sn site. The theoretical efficiencies under one sun illumination of 39.0%, 44.3%, and 39.7% were obtained for 25% doping concentration of Al, Ga, and In, respectively; thus, larger than the single-junction SQ-limit. Furthermore, the dopants have lower formation energies when substituting the Sn site compare to occupying the Ba and S sites, and that helps realizing a proper IB with three band-edge absorptions. Therefore, group-IIIA element doped BaSnS2 is proposed as a high-efficiency absorber for IBSC.
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Affiliation(s)
- Yang Xue
- Guangxi Novel Battery Materials Research Center of Engineering Technology, State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, School of Physical Science and Technology, Guangxi University, Nanning 530004, China.
| | - Changqing Lin
- Guangxi Novel Battery Materials Research Center of Engineering Technology, State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, School of Physical Science and Technology, Guangxi University, Nanning 530004, China.
| | - Jiancheng Zhong
- Guangxi Novel Battery Materials Research Center of Engineering Technology, State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, School of Physical Science and Technology, Guangxi University, Nanning 530004, China.
| | - Dan Huang
- Guangxi Novel Battery Materials Research Center of Engineering Technology, State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, School of Physical Science and Technology, Guangxi University, Nanning 530004, China.
- Guangxi Key Laboratory of Precision Navigation Technology and Application, Guilin University of Electronic Technology, Guilin 541004, China
- Guangxi Key Laboratory of Electrochemical Energy Materials, School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, China
| | - Clas Persson
- Department of Materials Science and Engineering, KTH Royal Institute of Technology, SE-100 44, Stockholm, Sweden.
- Department of Physics and Centre for Materials Science and Nanotechnology, University of Oslo, NO-0316, Oslo, Norway
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22
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Yekani R, Wang H, Bessette S, Gauvin R, Demopoulos G. Synergetic interfacial conductivity modulation dictating hysteresis evolution in perovskite solar cells under operation. Phys Chem Chem Phys 2024; 26:8366-8379. [PMID: 38404140 DOI: 10.1039/d4cp00067f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
In this work, the configuration of compact TiO2 coating (c-TiO2) interface as electron transport layer (ETL) in giving rise to loss and gain of fill factor (FF) and therefore modulation of hysteresis behavior in perovskite solar cells (PSCs) is investigated. For this purpose, PSCs based on planar compact TiO2 (c-TiO2) as well as a scaffold-based architecture are studied. In the latter case c-TiO2 coats a hydrothermally grown titania nanorod scaffold. The results demonstrate that when c-TiO2 is used in planar configuration, FF considerably improves with prolonged light soaking which is in sharp contrast to what is observed for scaffold-based PSCs. Moreover, higher thickness of planar c-TiO2 is shown to be beneficial for sustaining FF in forward scan. Finally, through studying the intricate interfacial dynamics utilizing electrochemical impedance spectroscopy (EIS), it was concluded that for a PSC under operation, the cumulative effect of conductivity modulation at the perovskite with transport layer interfaces, for their respective charge carriers, determines the loss and gain in performance depending on scan rate, applied bias and prolonged light soaking. This work points towards multiple factors affecting PSC output, which could work either in confluence or against one another depending on the interfacial configuration of transport layers.
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Affiliation(s)
- Rana Yekani
- Materials Engineering Department, McGill University, Montreal, QC H3A 0C5, Canada.
| | - Han Wang
- Materials Engineering Department, McGill University, Montreal, QC H3A 0C5, Canada.
| | - Stephanie Bessette
- Materials Engineering Department, McGill University, Montreal, QC H3A 0C5, Canada.
| | - Raynald Gauvin
- Materials Engineering Department, McGill University, Montreal, QC H3A 0C5, Canada.
| | - George Demopoulos
- Materials Engineering Department, McGill University, Montreal, QC H3A 0C5, Canada.
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23
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Wang N, Wu Y. First-Principles Investigation into the Interaction of H 2O with α-CsPbI 3 and the Intrinsic Defects within It. MATERIALS (BASEL, SWITZERLAND) 2024; 17:1091. [PMID: 38473563 DOI: 10.3390/ma17051091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 02/03/2024] [Accepted: 02/05/2024] [Indexed: 03/14/2024]
Abstract
CsPbI3 possesses three photoactive black phases (α, β, and γ) with perovskite structures and a non-photoactive yellow phase (δ) without a perovskite structure. Among these, α-CsPbI3 exhibits the best performance. However, it only exists at high temperatures and it tends to transform into the δ phase at room temperature, especially in humid environments. Therefore, the phase stability of CsPbI3, especially in humid environments, is the main obstacle to its further development. In this study, we studied the interaction of H2O with α-CsPbI3 and the intrinsic defects within it. It was found that the adsorption energy in the bulk is higher than that on the surface (-1.26 eV in the bulk in comparison with -0.60 eV on the surface); thus, H2O is expected to have a tendency to diffuse into the bulk once it adsorbs on the surface. Moreover, the intrinsic vacancy of VPb0 in the bulk phase can greatly promote H2O insertion due to the rearrangement of two I atoms in the two PbI6 octahedrons nearest to VPb0 and the resultant breaking of the Pb-I bond, which could promote the phase transition of α-CsPbI3 in a humid environment. Moreover, H2O adsorption onto VI+1 contributes to a further distortion in the vicinity of VI+1, which is expected to enhance the effect of VI+1 on the phase transition of α-CsPbI3. Clarifying the interaction of H2O with α-CsPbI3 and the intrinsic defects within it may provide guidance for further improvements in the stability of α-CsPbI3, especially in humid environments.
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Affiliation(s)
- Na Wang
- Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology, Beijing 100083, China
| | - Yaqiong Wu
- Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China
- School of Metallurgical and Ecological Engineering, University of Science and Technology, Beijing 100083, China
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24
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Cheng M, Jiang J, Yan C, Lin Y, Mortazavi M, Kaul AB, Jiang Q. Progress and Application of Halide Perovskite Materials for Solar Cells and Light Emitting Devices. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:391. [PMID: 38470722 PMCID: PMC10933891 DOI: 10.3390/nano14050391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024]
Abstract
Halide perovskite materials have attracted worldwide attention in the photovoltaic area due to the rapid improvement in efficiency, from less than 4% in 2009 to 26.1% in 2023 with only a nanometer lever photo-active layer. Meanwhile, this nova star found applications in many other areas, such as light emitting, sensor, etc. This review started with the fundamentals of physics and chemistry behind the excellent performance of halide perovskite materials for photovoltaic/light emitting and the methods for preparing them. Then, it described the basic principles for solar cells and light emitting devices. It summarized the strategies including nanotechnology to improve the performance and the application of halide perovskite materials in these two areas: from structure-property relation to how each component in the devices affects the overall performance. Moreover, this review listed the challenges for the future applications of halide perovskite materials.
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Affiliation(s)
- Maoding Cheng
- School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
- Department of Chemistry and Physics, University of Arkansas at Pine Bluff, Pine Bluff, AR 71601, USA
| | - Jingtian Jiang
- School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Chao Yan
- School of Material Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212100, China
| | - Yuankun Lin
- Department of Physics, University of North Texas, Denton, TX 76203, USA
| | - Mansour Mortazavi
- Department of Chemistry and Physics, University of Arkansas at Pine Bluff, Pine Bluff, AR 71601, USA
| | - Anupama B Kaul
- Department of Electrical Engineering, University of North Texas, Denton, TX 76207, USA
| | - Qinglong Jiang
- Department of Chemistry and Physics, University of Arkansas at Pine Bluff, Pine Bluff, AR 71601, USA
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25
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Sirkiä S, Masood MT, Hadadian M, Qudsia S, Rosqvist E, Smått JH. Scalable Lead Acetate-Based Perovskite Thin Films Prepared via Controlled Nucleation and Growth under Near Ambient Conditions. ACS OMEGA 2024; 9:8266-8273. [PMID: 38405520 PMCID: PMC10882608 DOI: 10.1021/acsomega.3c08912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/26/2023] [Accepted: 01/24/2024] [Indexed: 02/27/2024]
Abstract
Lead acetate (PbAc2) is a promising precursor salt for large-scale production of perovskite solar cells, as its high solubility in polar solvents enables the use of scalable deposition methods such as inkjet printing and dip coating. In this study, uniform (40-230 nm) PbAc2 thin films were prepared via dip coating under near ambient lab conditions by tuning the PbAc2 precursor concentration. In a second step, these PbAc2 films were converted to methylammonium lead iodide (MAPI) perovskite by immersing them into methylammonium iodide (MAI) solutions. The nucleation and growth processes at play were controlled by altering key parameters, such as air humidity during the lead acetate deposition and MAI concentration when converting the PbAc2 film to MAPI. The research revealed that lead acetate is sensitive toward humidity and can undergo hydroxylation reactions affecting the reproducibility and quality of the produced solar cells. However, drying the PbAc2 films under low relative humidity (<1%) prior to conversion enables the production of high-quality MAPI films without the need of glovebox processing. Furthermore, SEM characterization revealed that the surface coverage of the MAPI film increased significantly with an increase of the MAI concentration at the conversion stage. The resulting morphology of the MAPI films can be explained by a standard nucleation and growth mechanism. Preliminary solar cells were produced using these MAPI films as the active layer. The best performing devices were obtained with a 140 nm thick lead acetate film converted to MAPI using a 12 mg/mL MAI solution, as these parameters resulted in a good surface coverage of the MAPI film. The results show that the methodology holds potential toward large-scale production of perovskite solar cells under near ambient conditions, which substantially simplifies the fabrication and lowers the production costs.
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Affiliation(s)
- Saara Sirkiä
- Laboratory
of Molecular Science and Engineering, Åbo
Akademi University, Henriksgatan 2, Åbo FI-20500, Finland
| | - Muhammad Talha Masood
- Department
of Materials Engineering, School of Chemical & Materials Engineering, National University of Science & Technology (NUST), H 12 sector, Islamabad 44000, Pakistan
| | - Mahboubeh Hadadian
- Department
of Mechanical and Materials Engineering, Faculty of Technology, University of Turku, Turku FI-20014, Finland
| | - Syeda Qudsia
- Laboratory
of Molecular Science and Engineering, Åbo
Akademi University, Henriksgatan 2, Åbo FI-20500, Finland
| | - Emil Rosqvist
- Laboratory
of Molecular Science and Engineering, Åbo
Akademi University, Henriksgatan 2, Åbo FI-20500, Finland
| | - Jan-Henrik Smått
- Laboratory
of Molecular Science and Engineering, Åbo
Akademi University, Henriksgatan 2, Åbo FI-20500, Finland
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26
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Aalbers GJW, van der Pol TPA, Datta K, Remmerswaal WHM, Wienk MM, Janssen RAJ. Effect of sub-bandgap defects on radiative and non-radiative open-circuit voltage losses in perovskite solar cells. Nat Commun 2024; 15:1276. [PMID: 38341428 DOI: 10.1038/s41467-024-45512-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
The efficiency of perovskite solar cells is affected by open-circuit voltage losses due to radiative and non-radiative charge recombination. When estimated using sensitive photocurrent measurements that cover the above- and sub-bandgap regions, the radiative open-circuit voltage is often unphysically low. Here we report sensitive photocurrent and electroluminescence spectroscopy to probe radiative recombination at sub-bandgap defects in wide-bandgap mixed-halide lead perovskite solar cells. The radiative ideality factor associated with the optical transitions increases from 1, above and near the bandgap edge, to ~2 at mid-bandgap. Such photon energy-dependent ideality factor corresponds to a many-diode model. The radiative open-circuit voltage limit derived from this many-diode model enables differentiating between radiative and non-radiative voltage losses. The latter are deconvoluted into contributions from the bulk and interfaces via determining the quasi-Fermi level splitting. The experiments show that while sub-bandgap defects do not contribute to radiative voltage loss, they do affect non-radiative voltage losses.
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Affiliation(s)
- Guus J W Aalbers
- Molecular Materials and Nanosystems and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Tom P A van der Pol
- Molecular Materials and Nanosystems and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Kunal Datta
- Molecular Materials and Nanosystems and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Willemijn H M Remmerswaal
- Molecular Materials and Nanosystems and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - Martijn M Wienk
- Molecular Materials and Nanosystems and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands
| | - René A J Janssen
- Molecular Materials and Nanosystems and Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB, Eindhoven, The Netherlands.
- Dutch Institute for Fundamental Energy Research, De Zaale 20, 5612 AJ, Eindhoven, The Netherlands.
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27
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Lei Y, Liu W, Li C, Da S, Zheng Y, Wu Y, Ran F. Microstress for metal halide perovskite solar cells: from source to influence and management. NANOSCALE 2024; 16:2765-2788. [PMID: 38258472 DOI: 10.1039/d3nr05264h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
The power conversion efficiency of metal halide perovskite solar cells (PSCs) has increased dramatically in recent years, but there are still major bottlenecks in the commercial application of such materials, including intrinsic instability caused by external stimuli such as water, oxygen, and radiation, as well as local stress generated inside the perovskite and external stress caused by poor interlayer contact. However, some crucial sources of instability cannot be overcome by conventional encapsulation engineering. Among them, the tensile strain can weaken the chemical bonds in the perovskite lattice, thereby reducing the defects formation energy and activation energy of ion migration and accelerating the degradation rate of the perovskite crystal. This review expounds the latest in-depth understanding of microstrain in perovskite film from the thermodynamic sources and influences on the perovskite physicochemical structure and photoelectric performance. Furthermore, it also summarizes the effective strategies for strain regulation and interlayer contact performance improvement, which are conducive to the improvement of photovoltaic performance and internal stability of PSCs. Finally, we present a prospective outlook on how to achieve more stable and higher efficiency PSCs through strain engineering.
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Affiliation(s)
- Yixiao Lei
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China.
| | - Wenwu Liu
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China.
| | - Caixia Li
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China.
| | - Shiji Da
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China.
| | - Yawen Zheng
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China.
| | - Youzhi Wu
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China.
| | - Fen Ran
- State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China.
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Bodnarchuk MI, Feld LG, Zhu C, Boehme SC, Bertolotti F, Avaro J, Aebli M, Mir SH, Masciocchi N, Erni R, Chakraborty S, Guagliardi A, Rainò G, Kovalenko MV. Colloidal Aziridinium Lead Bromide Quantum Dots. ACS NANO 2024. [PMID: 38320982 PMCID: PMC10883123 DOI: 10.1021/acsnano.3c11579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
The compositional engineering of lead-halide perovskite nanocrystals (NCs) via the A-site cation represents a lever to fine-tune their structural and electronic properties. However, the presently available chemical space remains minimal since, thus far, only three A-site cations have been reported to favor the formation of stable lead-halide perovskite NCs, i.e., Cs+, formamidinium (FA), and methylammonium (MA). Inspired by recent reports on bulk single crystals with aziridinium (AZ) as the A-site cation, we present a facile colloidal synthesis of AZPbBr3 NCs with a narrow size distribution and size tunability down to 4 nm, producing quantum dots (QDs) in the regime of strong quantum confinement. NMR and Raman spectroscopies confirm the stabilization of the AZ cations in the locally distorted cubic structure. AZPbBr3 QDs exhibit bright photoluminescence with quantum efficiencies of up to 80%. Stabilized with cationic and zwitterionic capping ligands, single AZPbBr3 QDs exhibit stable single-photon emission, which is another essential attribute of QDs. In particular, didodecyldimethylammonium bromide and 2-octyldodecyl-phosphoethanolamine ligands afford AZPbBr3 QDs with high spectral stability at both room and cryogenic temperatures, reduced blinking with a characteristic ON fraction larger than 85%, and high single-photon purity (g(2)(0) = 0.1), all comparable to the best-reported values for MAPbBr3 and FAPbBr3 QDs of the same size.
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Affiliation(s)
- Maryna I Bodnarchuk
- Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland
| | - Leon G Feld
- Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland
| | - Chenglian Zhu
- Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland
| | - Simon C Boehme
- Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland
| | - Federica Bertolotti
- Department of Science and High Technology and To.Sca.Lab., University of Insubria, via Valleggio 11, Como 22100, Italy
| | - Jonathan Avaro
- Centre for X-ray Analytics & Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, St. Gallen 9014, Switzerland
| | - Marcel Aebli
- Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland
| | - Showkat Hassan Mir
- Materials Theory for Energy Scavenging (MATES) Lab, Harish-Chandra Research Institute (HRI) Allahabad, A C.I. of Homi Bhabha National Institute (HBNI), Chhatnag Road, Jhunsi, Prayagraj (Allahabad) 211019, India
| | - Norberto Masciocchi
- Department of Science and High Technology and To.Sca.Lab., University of Insubria, via Valleggio 11, Como 22100, Italy
| | - Rolf Erni
- Electron Microscopy Center, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland
| | - Sudip Chakraborty
- Materials Theory for Energy Scavenging (MATES) Lab, Harish-Chandra Research Institute (HRI) Allahabad, A C.I. of Homi Bhabha National Institute (HBNI), Chhatnag Road, Jhunsi, Prayagraj (Allahabad) 211019, India
| | - Antonietta Guagliardi
- Istituto di Cristallografia and To.Sca.Lab, Consiglio Nazionale delle Ricerche, via Valleggio 11, Como 22100, Italy
| | - Gabriele Rainò
- Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland
| | - Maksym V Kovalenko
- Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Dübendorf 8600, Switzerland
- Institute of Inorganic Chemistry, Department of Chemistry and Applied Biosciences, ETH Zürich, Zürich 8093, Switzerland
- SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon 16419, South Korea
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Zhang L, Luo G, Zhang W, Yao Y, Ren P, Geng X, Zhang Y, Wu X, Xu L, Lin P, Yu X, Wang P, Cui C. Strain Regulation and Defect Passivation of FA-Based Perovskite Materials for Highly Efficient Solar Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305582. [PMID: 38064168 PMCID: PMC10870053 DOI: 10.1002/advs.202305582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/28/2023] [Indexed: 02/17/2024]
Abstract
Formamidine lead triiodide (FAPbI3 ) perovskites have attracted increasing interest for photovoltaics attributed to the optimal bandgap, high thermal stability, and the record power conversion efficiency (PCE). However, the materials still face several key challenges, such as phase transition, lattice defects, and ion migration. Therefore, external ions (e.g., cesium ions (Cs+ )) are usually introduced to promote the crystallization and enhance the phase stability. Nevertheless, the doping of Cs+ into the A-site easily leads to lattice compressive strain and the formation of pinholes. Herein, trioctylphosphine oxide (TOPO) is introduced into the precursor to provide tensile strain outside the perovskite lattice through intermolecular forces. The special strain compensation strategy further improves the crystallization of perovskite and inhibits the ion migration. Moreover, the TOPO molecule significantly passivates grain boundaries and undercoordinated Pb2+ defects via the forming of P═O─Pb bond. As a result, the target solar cell devices with the synergistic effect of Cs+ and TOPO additives have achieved a significantly improved PCE of 22.71% and a high open-circuit voltage of 1.16 V (voltage deficit of 0.36 V), with superior stability under light exposure, heat, or humidity conditions.
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Affiliation(s)
- Linfeng Zhang
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Guohui Luo
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Weihao Zhang
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Yuxin Yao
- State Key Laboratory of Silicon and Advanced Semiconductor Materials & School of Materials Science and EngineeringZhejiang UniversityHangzhou310027China
| | - Penghui Ren
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Xiuhong Geng
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Yi Zhang
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Xiaoping Wu
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Lingbo Xu
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Ping Lin
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Xuegong Yu
- State Key Laboratory of Silicon and Advanced Semiconductor Materials & School of Materials Science and EngineeringZhejiang UniversityHangzhou310027China
| | - Peng Wang
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Can Cui
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
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30
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Wang C, Qu D, Zhou B, Shang C, Zhang X, Tu Y, Huang W. Self-Healing Behavior of the Metal Halide Perovskites and Photovoltaics. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2307645. [PMID: 37770384 DOI: 10.1002/smll.202307645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Indexed: 09/30/2023]
Abstract
Perovskite solar cells have achieved rapid progress in the new-generation photovoltaic field, but the commercialization lags behind owing to the device stability issue under operational conditions. Ultimately, the instability issue is attributed to the soft lattice of ionic perovskite crystal. In brief, metal halide perovskite materials are susceptible to structural instability processes, including phase segregation, component loss, lattice distortion, and fatigue failure under harsh external stimuli such as high humidity, strong irradiation, wide thermal cycles, and large stress. Developing self-healing perovskites to further improve the unsatisfactory operational stability of their photoelectric devices under harsh stimuli has become a cutting-edge hotspot in this field. This self-healing behavior needs to be studied more comprehensively. Therefore, the self-healing behavior of the metal halide perovskites and photovoltaics is classified and summarized in this review. By discussing recent advances, underlying mechanisms, strategies, and existing challenges, this review provides perspectives on self-healing of perovskite solar cells in the future.
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Affiliation(s)
- Chenyun Wang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Du Qu
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Bin Zhou
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Chuanzhen Shang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Xinyue Zhang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
| | - Yongguang Tu
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
- Key laboratory of Flexible Electronics of Zhejiang Provience, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics (FSCFE), Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials and Engineering (IBME), Northwestern Polytechnical University, Xi'an, Shaanxi, 710072, China
- Key Laboratory of Flexible Electronics (KLoFE) and Institution of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing, Jiangsu, 211816, China
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) and Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, 210023, China
- Key laboratory of Flexible Electronics of Zhejiang Provience, Ningbo Institute of Northwestern Polytechnical University, 218 Qingyi Road, Ningbo, 315103, China
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31
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Li B, Deng J, Jayawardena KDGI, Liu X, Xiang Y, Ren A, Oluwabi AT, Hinder S, Putland B, Watts JF, Li H, Du S, Silva SRP, Zhang W. Unraveling the Degradation Pathway of Inverted Perovskite Solar Cells Based on ISOS-D-1 Protocol. SMALL METHODS 2024; 8:e2300223. [PMID: 37330642 DOI: 10.1002/smtd.202300223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/31/2023] [Indexed: 06/19/2023]
Abstract
Perovskite solar cells (PSCs) have shown rapid development recently, whereas nonideal stability remains the chief obstacle toward commercialization. Thus, it is of utmost importance to probe the degradation pathway for the entire device. Here, the extrinsic stability of inverted PSCs (IPSCs) is investigated by using standard shelf-life testing based on the International Summit on Organic Photovoltaic Stability protocols (ISOS-D-1). During the long-term assessment of 1700 h, the degraded power conversion efficiency is mainly caused by the fill factor (53% retention) and short-circuit current density (71% retention), while the open-circuit voltage still maintains 97% of the initial values. Further absorbance evolution and density functional theory calculations disclose that the perovskite rear-contact side, in particular for the perovskite/fullerene interface, is the predominant degradation pathway. This study contributes to understanding the aging mechanism and enhancing the durability of IPSCs for future applications.
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Affiliation(s)
- Bowei Li
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK
| | - Jun Deng
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - K D G Imalka Jayawardena
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK
| | - Xueping Liu
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK
| | - Yuren Xiang
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK
| | - Aobo Ren
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Abayomi Titilope Oluwabi
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK
| | - Steven Hinder
- The Surface Analysis Laboratory, Department of Mechanical Engineering Sciences, University of Surrey, Guildford, Surrey, GU2 7XH, UK
| | - Benjamin Putland
- Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, OX1 3PU, UK
| | - John F Watts
- The Surface Analysis Laboratory, Department of Mechanical Engineering Sciences, University of Surrey, Guildford, Surrey, GU2 7XH, UK
| | - Hui Li
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - Shixuan Du
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China
| | - S Ravi P Silva
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK
| | - Wei Zhang
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, GU2 7XH, UK
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32
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Zhang W, Liu H, Yan F, Dong B, Wang HL. Recent Progress of Low-Toxicity Poor-Lead All-Inorganic Perovskite Solar Cells. SMALL METHODS 2024; 8:e2300421. [PMID: 37350508 DOI: 10.1002/smtd.202300421] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/25/2023] [Indexed: 06/24/2023]
Abstract
Organic-inorganic hybrid perovskite solar cells (PSCs) have achieved an impressive certified efficiency of 25.7%, which is comparatively higher than that of commercial silicon solar cells (23.3%), showing great potential toward commercialization. However, the low stability and high toxicity due to the presence of volatile organic components and toxic metal lead in the perovskites pose significant challenges. To obtain robust and low-toxicity PSCs, substituting organic cations with pure inorganic cations, and partially or fully replacing the toxic Pb with environmentally benign metals, is one of the promising methods. To date, continuous efforts have been made toward the construction of highly performed low-toxicity inorganic PSCs with astonishing breakthroughs. This review article provides an overview of recent progress in inorganic PSCs in terms of lead-reduced and lead-free compositions. The physical properties of poor-lead all-inorganic perovskites are discussed to unveil the major challenges in this field. Then, it reports notable achievements for the experimental studies to date to figure out feasible methods for efficient and stable poor-lead all-inorganic PSCs. Finally, a discussion of the challenges and prospects for poor-lead all-inorganic PSCs in the future is presented.
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Affiliation(s)
- Weihai Zhang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Heng Liu
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Furi Yan
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Baichuan Dong
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Hsing-Lin Wang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
- Key University Laboratory of Highly Efficient Utilization of Solar Energy and Sustainable Development of Guangdong, Key Laboratory of Electric Driving Force Energy Materials of Guangdong, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
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33
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Khadka DB, Shirai Y, Yanagida M, Ota H, Lyalin A, Taketsugu T, Miyano K. Defect passivation in methylammonium/bromine free inverted perovskite solar cells using charge-modulated molecular bonding. Nat Commun 2024; 15:882. [PMID: 38287031 PMCID: PMC10824754 DOI: 10.1038/s41467-024-45228-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 01/17/2024] [Indexed: 01/31/2024] Open
Abstract
Molecular passivation is a prominent approach for improving the performance and operation stability of halide perovskite solar cells (HPSCs). Herein, we reveal discernible effects of diammonium molecules with either an aryl or alkyl core onto Methylammonium-free perovskites. Piperazine dihydriodide (PZDI), characterized by an alkyl core-electron cloud-rich-NH terminal, proves effective in mitigating surface and bulk defects and modifying surface chemistry or interfacial energy band, ultimately leading to improved carrier extraction. Benefiting from superior PZDI passivation, the device achieves an impressive efficiency of 23.17% (area ~1 cm2) (low open circuit voltage deficit ~0.327 V) along with superior operational stability. We achieve a certified efficiency of ~21.47% (area ~1.024 cm2) for inverted HPSC. PZDI strengthens adhesion to the perovskite via -NH2I and Mulliken charge distribution. Device analysis corroborates that stronger bonding interaction attenuates the defect densities and suppresses ion migration. This work underscores the crucial role of bifunctional molecules with stronger surface adsorption in defect mitigation, setting the stage for the design of charge-regulated molecular passivation to enhance the performance and stability of HPSC.
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Affiliation(s)
- Dhruba B Khadka
- Photovoltaic Materials Group, Center for GREEN Research on Energy and Environmental Materials, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
| | - Yasuhiro Shirai
- Photovoltaic Materials Group, Center for GREEN Research on Energy and Environmental Materials, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan.
| | - Masatoshi Yanagida
- Photovoltaic Materials Group, Center for GREEN Research on Energy and Environmental Materials, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Hitoshi Ota
- Battery Research Platform, Research Center for Energy and Environmental Materials (GREEN), National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, 305-0044, Japan
| | - Andrey Lyalin
- Research Center for Energy and Environmental Materials (GREEN), National Institute for Materials Science, Namiki 1-1, Tsukuba, 305-0044, Japan.
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, 001-0021, Japan.
| | - Tetsuya Taketsugu
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, 001-0021, Japan
- Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo, 060-0810, Japan
| | - Kenjiro Miyano
- Photovoltaic Materials Group, Center for GREEN Research on Energy and Environmental Materials, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
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34
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Kirmani AR, Byers TA, Ni Z, VanSant K, Saini DK, Scheidt R, Zheng X, Kum TB, Sellers IR, McMillon-Brown L, Huang J, Rout B, Luther JM. Unraveling radiation damage and healing mechanisms in halide perovskites using energy-tuned dual irradiation dosing. Nat Commun 2024; 15:696. [PMID: 38272867 PMCID: PMC10810841 DOI: 10.1038/s41467-024-44876-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 01/04/2024] [Indexed: 01/27/2024] Open
Abstract
Perovskite photovoltaics have been shown to recover, or heal, after radiation damage. Here, we deconvolve the effects of radiation based on different energy loss mechanisms from incident protons which induce defects or can promote efficiency recovery. We design a dual dose experiment first exposing devices to low-energy protons efficient in creating atomic displacements. Devices are then irradiated with high-energy protons that interact differently. Correlated with modeling, high-energy protons (with increased ionizing energy loss component) effectively anneal the initial radiation damage, and recover the device efficiency, thus directly detailing the different interactions of irradiation. We relate these differences to the energy loss (ionization or non-ionization) using simulation. Dual dose experiments provide insight into understanding the radiation response of perovskite solar cells and highlight that radiation-matter interactions in soft lattice materials are distinct from conventional semiconductors. These results present electronic ionization as a unique handle to remedying defects and trap states in perovskites.
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Affiliation(s)
- Ahmad R Kirmani
- National Renewable Energy Laboratory (NREL), Golden, CO, 80401, USA.
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, NY, 14623, USA.
| | - Todd A Byers
- Department of Physics, University of North Texas, Denton, TX, 76203, USA
| | - Zhenyi Ni
- Department of Applied Physical Sciences, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Kaitlyn VanSant
- National Renewable Energy Laboratory (NREL), Golden, CO, 80401, USA
- NASA Glenn Research Center, Cleveland, OH, 44135, USA
| | - Darshpreet K Saini
- Department of Physics, University of North Texas, Denton, TX, 76203, USA
| | - Rebecca Scheidt
- National Renewable Energy Laboratory (NREL), Golden, CO, 80401, USA
| | - Xiaopeng Zheng
- National Renewable Energy Laboratory (NREL), Golden, CO, 80401, USA
| | - Tatchen Buh Kum
- School of Chemistry and Materials Science, Rochester Institute of Technology, Rochester, NY, 14623, USA
| | - Ian R Sellers
- Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK, 73019, USA
- Department of Electrical Engineering, University at Buffalo, Buffalo, NY, 14260, USA
| | | | - Jinsong Huang
- Department of Applied Physical Sciences, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Bibhudutta Rout
- Department of Physics, University of North Texas, Denton, TX, 76203, USA
| | - Joseph M Luther
- National Renewable Energy Laboratory (NREL), Golden, CO, 80401, USA.
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35
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Jia J, Jiang Z, Ma S, Guo S, Wu J, Zhang Y, Cao B, Dong J. Novel Strategy for High Efficient and Stable Perovskite Solar Cells through Atomic Layer Deposition. ACS APPLIED MATERIALS & INTERFACES 2024; 16:3576-3585. [PMID: 38215344 DOI: 10.1021/acsami.3c17899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2024]
Abstract
The perovskite material has demonstrated conceivable potential as an absorbing material of solar cells. Although the power conversion efficiency of the device based on perovskite has rapidly come to 26%, there are still many factors that affect the further improvement of the photoelectric conversion efficiency. Interface defects are the dominating concern that influence carrier transportation and stability. Here, we report a novel strategy where B2O3 is deposited on the fresh perovskite film by atomic layer deposition technology. The organic atmosphere during atomic layer deposition can effectively regulate the crystallization kinetics of perovskites and promote crystal growth. The B2O3 adsorbed on the perovskite light-absorption layer can effectively reduce the electropositive defects on the surface of the perovskite, such as uncoordinated Pb2+ and I vacancies due to the electron-donating properties of the side O atoms in B2O3. Consequently, the power conversion efficiency of the perovskite solar cell after B2O3 treatment increases to 21.78% from 18.89%. Simultaneously, B2O3 can improve the stability of devices.
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Affiliation(s)
- Jinbiao Jia
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China
| | - Zhe Jiang
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China
| | - Siyuan Ma
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China
| | - Shuaibing Guo
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China
| | - Jihuai Wu
- Fujian Key Laboratory of Photoelectric Functional Materials, Huaqiao University, Xiamen 361021, China
| | - Yongzheng Zhang
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China
| | - Bingqiang Cao
- School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
| | - Jia Dong
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China
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36
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Sun H, Wang H, Dong S, Dai S, Li X, Zhang X, Deng L, Liu K, Liu F, Tan H, Xue K, Peng C, Wang J, Li Y, Yu A, Zhu H, Zhan Y. Optoelectronic synapses based on a triple cation perovskite and Al/MoO 3 interface for neuromorphic information processing. NANOSCALE ADVANCES 2024; 6:559-569. [PMID: 38235083 PMCID: PMC10790979 DOI: 10.1039/d3na00677h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 12/06/2023] [Indexed: 01/19/2024]
Abstract
Optoelectronic synaptic transistors are attractive for applications in next-generation brain-like computation systems, especially for their visible-light operation and in-sensor computing capabilities. However, from a material perspective, it is difficult to build a device that meets expectations in terms of both its functions and power consumption, prompting the call for greater innovation in materials and device construction. In this study, we innovatively combined a novel perovskite carrier supply layer with an Al/MoO3 interface carrier regulatory layer to fabricate optoelectronic synaptic devices, namely Al/MoO3/CsFAMA/ITO transistors. The device could mimic a variety of biological synaptic functions and required ultralow-power consumption during operation with an ultrafast speed of >0.1 μs under an optical stimulus of about 3 fJ, which is equivalent to biological synapses. Moreover, Pavlovian conditioning and visual perception tasks could be implemented using the spike-number-dependent plasticity (SNDP) and spike-rate-dependent plasticity (SRDP). This study suggests that the proposed CsFAMA synapse with an Al/MoO3 interface has the potential for ultralow-power neuromorphic information processing.
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Affiliation(s)
- Haoliang Sun
- Peng Cheng Laboratory Shenzhen 518055 China
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Haoliang Wang
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | | | - Shijie Dai
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Xiaoguo Li
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Xin Zhang
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Liangliang Deng
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Kai Liu
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Fengcai Liu
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Hua Tan
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Kun Xue
- Peng Cheng Laboratory Shenzhen 518055 China
| | - Chao Peng
- Peng Cheng Laboratory Shenzhen 518055 China
- State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronics and Frontiers Science Center for Nano-optoelectronics, Peking University Beijing 100080 China
| | - Jiao Wang
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Yi Li
- Peng Cheng Laboratory Shenzhen 518055 China
- Shanghai Engineering Research Center for Broadband Technologies and Applications Shanghai 200436 China
| | - Anran Yu
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
| | - Hongyi Zhu
- Peng Cheng Laboratory Shenzhen 518055 China
- Shanghai Engineering Research Center for Broadband Technologies and Applications Shanghai 200436 China
| | - Yiqiang Zhan
- Center for Micro Nano Systems, School of Information Science and Technology (SIST), Fudan University Shanghai 200433 China
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37
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La Ferrara V, De Maria A, Rametta G. Green Anisole as Antisolvent in Planar Triple-Cation Perovskite Solar Cells with Varying Cesium Concentrations. MICROMACHINES 2024; 15:136. [PMID: 38258255 PMCID: PMC10820325 DOI: 10.3390/mi15010136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/12/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024]
Abstract
The feasibility of replacing toxic chlorobenzene antisolvents with environmentally friendly anisole in the fabrication of planar triple-cation perovskite solar cells was explored here. The successful integration of anisole not only ensures comparable device performance but also contributes to the development of more sustainable and green fabrication processes for next-generation photovoltaic technologies. Nevertheless, to ensure the possibility of achieving well-functioning unencapsulated devices whose working operation depends on outdoor atmospheric conditions, we found that adjusting the cesium concentrations in the perovskite layers enabled the electrical characterization of efficient devices even under high relative humidity conditions (more than 40%). We found that 10% of CsI in the precursor solution will make devices with low hysteresis indexes and sustained performance stability over a 90-day period both with cholorobenzene and anisole antisolvent. These results further confirm that green anisole can replace chlorobenzene as an antisolvent.
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Affiliation(s)
- Vera La Ferrara
- Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Portici Research Center, 80055 Portici, Italy; (A.D.M.); (G.R.)
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38
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Zou Y, Bai X, Kahmann S, Dai L, Yuan S, Yin S, Heger JE, Schwartzkopf M, Roth SV, Chen CC, Zhang J, Stranks SD, Friend RH, Müller-Buschbaum P. A Practical Approach Toward Highly Reproducible and High-Quality Perovskite Films Based on an Aging Treatment. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307024. [PMID: 37739404 DOI: 10.1002/adma.202307024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 09/19/2023] [Indexed: 09/24/2023]
Abstract
Solution processing of hybrid perovskite semiconductors is a highly promising approach for the fabrication of cost-effective electronic and optoelectronic devices. However, challenges with this approach lie in overcoming the controllability of the perovskite film morphology and the reproducibility of device efficiencies. Here, a facile and practical aging treatment (AT) strategy is reported to modulate the perovskite crystal growth to produce sufficiently high-quality perovskite thin films with improved homogeneity and full-coverage morphology. The resulting AT-films exhibit fewer defects, faster charge carrier transfer/extraction, and suppressed non-radiative recombination compared with reference. The AT-devices achieve a noticeable improvement in the reproducibility, operational stability, and photovoltaic performance of devices, with the average efficiency increased by 16%. It also demonstrates the feasibility and scalability of AT strategy in optimizing the film morphology and device performance for other perovskite components including MAPbI3 , (MAPbBr3 )15 (FAPbI3 )85 , and Cs0.05 (MAPbBr3 )0.17 (FAPbI3 )0.83 . This method opens an effective avenue to improve the quality of perovskite films and photovoltaic devices in a scalable and reproducible manner.
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Affiliation(s)
- Yuqin Zou
- Technical University of Munich, TUM School of Natural Sciences, Department of Physics, Chair for Functional Materials, James-Franck-Str. 1, 85748, Garching, Germany
| | - Xinyu Bai
- Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Simon Kahmann
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, UK
| | - Linjie Dai
- Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Shuai Yuan
- Department of Chemistry, Renmin University of China, No. 59 Zhongguancun Street, Beijing, 100872, P. R. China
| | - Shanshan Yin
- Technical University of Munich, TUM School of Natural Sciences, Department of Physics, Chair for Functional Materials, James-Franck-Str. 1, 85748, Garching, Germany
| | - Julian E Heger
- Technical University of Munich, TUM School of Natural Sciences, Department of Physics, Chair for Functional Materials, James-Franck-Str. 1, 85748, Garching, Germany
| | | | - Stephan V Roth
- Deutsches Elektronen-Synchrotron (DESY), Notkestrasse 85, 22607, Hamburg, Germany
- Department of Fibre and Polymer Technology, KTH Royal Institute of Technology, Teknikringen 56-58, Stockholm, SE-100 44, Sweden
| | - Chun-Chao Chen
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Jianping Zhang
- Department of Chemistry, Renmin University of China, No. 59 Zhongguancun Street, Beijing, 100872, P. R. China
| | - Samuel D Stranks
- Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, UK
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Cambridge, CB3 0AS, UK
| | - Richard H Friend
- Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Peter Müller-Buschbaum
- Technical University of Munich, TUM School of Natural Sciences, Department of Physics, Chair for Functional Materials, James-Franck-Str. 1, 85748, Garching, Germany
- Heinz Maier-Leibnitz-Zentrum (MLZ), Technical University of Munich, Lichtenbergstr. 1, 85748, Garching, Germany
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Marchant C, Williams RM. Perovskite/silicon tandem solar cells-compositions for improved stability and power conversion efficiency. Photochem Photobiol Sci 2024; 23:1-22. [PMID: 37991706 DOI: 10.1007/s43630-023-00500-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 10/23/2023] [Indexed: 11/23/2023]
Abstract
Perovskite/Silicon Tandem Solar Cells (PSTSCs) represent an emerging opportunity to compete with industry-standard single junction crystalline silicon (c-Si) solar cells. The maximum power conversion efficiency (PCE) of single junction cells is set by the Shockley-Queisser (SQ) limit (33.7%). However, tandem cells can expand this value to ~ 45% by utilising two stacked solar cells to harvest the solar spectrum more efficiently. 33.9% PCE has already been achieved with PSTSCs. This perspective analyses recent advances in PSTSC technology, with an emphasis on optimal perovskite composition, the problem and mitigation of light-induced halide phase segregation, self-assembled hole transporting monolayers and additives that can improve and stabilise the perovskite. Top-performing compositions show three cationic components (Cs+, FA+, Pb2+) and three anionic (I-, Br-, Cl-) with a bandgap between 1.55 and 1.77 eV and a theoretical maximum of 1.73 eV (717 nm). Anionic additives such as (Br3)- and SCN- reduce trap states and segregation. 2D-perovskite grain boundary interfaces are created with cationic alkylammonium additives such as methyl-phenethylammonium (MPEA) and result in improved performance. 2-, 3- or 4-terminal devices with a (partly) textured silicon heterojunction (SHJ) bottom cell are ideal. An ultra-thin interfacial recombination layer (~ 5 nm) of indium tin oxide (ITO) or indium zinc oxide (IZO) containing a carbazole-based hole transporting self-assembled monolayer (Me-4PACz) is used for optimal 2-terminal tandem devices.
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Affiliation(s)
- Charles Marchant
- Molecular Photonics Group, Van't Hoff Institute for Molecular Sciences (HIMS), Universiteit Van Amsterdam, Science Park 904, 1098 XH, Amsterdam, Netherlands
| | - René M Williams
- Molecular Photonics Group, Van't Hoff Institute for Molecular Sciences (HIMS), Universiteit Van Amsterdam, Science Park 904, 1098 XH, Amsterdam, Netherlands.
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40
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Han EQ, Lyu M, Choi E, Zhao Y, Zhang Y, Lee J, Lee SM, Jiao Y, Ahmad SHA, Seidel J, Yun JS, Yun JH, Wang L. High-Performance Indoor Perovskite Solar Cells by Self-Suppression of Intrinsic Defects via a Facile Solvent-Engineering Strategy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305192. [PMID: 37718499 DOI: 10.1002/smll.202305192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/31/2023] [Indexed: 09/19/2023]
Abstract
Lead halide perovskite solar cells have been emerging as very promising candidates for applications in indoor photovoltaics. To maximize their indoor performance, it is of critical importance to suppress intrinsic defects of the perovskite active layer. Herein, a facile solvent-engineering strategy is developed for effective suppression of both surface and bulk defects in lead halide perovskite indoor solar cells, leading to a high efficiency of 35.99% under the indoor illumination of 1000 lux Cool-white light-emitting diodes. Replacing dimethylformamide (DMF) with N-methyl-2-pyrrolidone (NMP) in the perovskite precursor solvent significantly passivates the intrinsic defects within the thus-prepared perovskite films, prolongs the charge carrier lifetimes and reduces non-radiative charge recombination of the devices. Compared to the DMF, the much higher interaction energy between NMP and formamidinium iodide/lead halide contributes to the markedly improved quality of the perovskite thin films with reduced interfacial halide deficiency and non-radiative charge recombination, which in turn enhances the device performance. This work paves the way for developing efficient indoor perovskite solar cells for the increasing demand for power supplies of Internet-of-Things devices.
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Affiliation(s)
- E Q Han
- Nanomaterials Centre, School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland (St Lucia), Brisbane, Queensland, 4072, Australia
| | - Miaoqiang Lyu
- Nanomaterials Centre, School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland (St Lucia), Brisbane, Queensland, 4072, Australia
| | - Eunyoung Choi
- Australian Centre for Advanced Photovoltaics, School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Yuying Zhao
- College of Physics, Hebei Key Laboratory of Photophysics Research and Application, Hebei Normal University, Shijiazhuang, 050024, China
| | - Yurou Zhang
- Nanomaterials Centre, School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland (St Lucia), Brisbane, Queensland, 4072, Australia
| | - Jaeho Lee
- Nanomaterials Centre, School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland (St Lucia), Brisbane, Queensland, 4072, Australia
| | - Su-Min Lee
- Air and Environment Energy Nexus Lab, Department of Environmental Science and Engineering, College of Engineering, Kyung Hee University, Gyeonggi-do, 17104, Republic of Korea
| | - Yalong Jiao
- College of Physics, Hebei Key Laboratory of Photophysics Research and Application, Hebei Normal University, Shijiazhuang, 050024, China
| | - Syed Haseeb Ali Ahmad
- Nanomaterials Centre, School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland (St Lucia), Brisbane, Queensland, 4072, Australia
| | - Jan Seidel
- School of Materials Science and Engineering, University of New South Wales, Sydney, New South Wales, 2052, Australia
- ARC Centre of Excellence in Future Low-Energy Electronics Technologies (FLEET), University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Jae Sung Yun
- Australian Centre for Advanced Photovoltaics, School of Photovoltaic and Renewable Energy Engineering, University of New South Wales, Sydney, New South Wales, 2052, Australia
- Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford, Surrey, GU2 7XH, UK
| | - Jung-Ho Yun
- Nanomaterials Centre, School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland (St Lucia), Brisbane, Queensland, 4072, Australia
- Air and Environment Energy Nexus Lab, Department of Environmental Science and Engineering, College of Engineering, Kyung Hee University, Gyeonggi-do, 17104, Republic of Korea
| | - Lianzhou Wang
- Nanomaterials Centre, School of Chemical Engineering, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland (St Lucia), Brisbane, Queensland, 4072, Australia
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41
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Alexander A, Kamalon VP, Dev VV, Raees A M, Reghunathan S, Nair PR, Namboothiry MAG. Enhancing the Efficiency and Stability of Perovskite Solar Cells through Defect Passivation and Controlled Crystal Growth Using Allantoin. ACS APPLIED MATERIALS & INTERFACES 2023; 15:58406-58415. [PMID: 38079513 DOI: 10.1021/acsami.3c13591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2023]
Abstract
In this study, we present a robust approach that concurrently manages crystal growth and defect passivation within the perovskite layer through the introduction of a small molecule additive─allantoin. The precise regulation of crystal growth in the presence of allantoin yields perovskite films characterized by enhanced morphology, larger grain size, and improved grain orientation. Notably, the carbonyl and amino groups present in allantoin passivate under-coordinated Pb2+ and I- defects, respectively, through molecular interactions. Trap density in the perovskite layer is measured, and it is 0.39 × 1016 cm-3 for the allantoin-incorporated device and 0.83 × 1016 cm-3 for the pristine device. This reduction in defects leads to reduced trap-assisted nonradiative recombination, as confirmed by the photoluminescence, transient photo voltage, and impedance measurements. As a result, when these allantoin-incorporated perovskite films are implemented as the active layer in solar cells, a noteworthy efficiency enhancement to 20.63% is attained, surpassing the 18.04% of their pristine counterparts. Furthermore, devices with allantoin exhibit remarkable operational stability, maintaining 80% of their efficiency even after 500 h of continuous illumination, whereas the pristine device degraded to 65% of its initial efficiency in 400 h. Also, allantoin-incorporated devices exhibited exceptional stability against high humidity and elevated temperatures.
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Affiliation(s)
- Akhil Alexander
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM), Maruthamala P.O., Vithura, Thiruvananthapuram 695 551, Kerala, India
| | - Vishnupriya P Kamalon
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM), Maruthamala P.O., Vithura, Thiruvananthapuram 695 551, Kerala, India
| | - Vivek V Dev
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM), Maruthamala P.O., Vithura, Thiruvananthapuram 695 551, Kerala, India
| | - Muhammed Raees A
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM), Maruthamala P.O., Vithura, Thiruvananthapuram 695 551, Kerala, India
| | - Sidharth Reghunathan
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM), Maruthamala P.O., Vithura, Thiruvananthapuram 695 551, Kerala, India
| | - Pradeep R Nair
- Department of Electrical Engineering, Indian Institute of Technology Bombay, Mumbai 400 076, India
| | - Manoj A G Namboothiry
- School of Physics, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM), Maruthamala P.O., Vithura, Thiruvananthapuram 695 551, Kerala, India
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42
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Das C, Roy R, Kedia M, Kot M, Zuo W, Félix R, Sobol T, Flege JI, Saliba M. Unraveling the Role of Perovskite in Buried Interface Passivation. ACS APPLIED MATERIALS & INTERFACES 2023; 15:56500-56510. [PMID: 37991727 DOI: 10.1021/acsami.3c13085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Interfaces in perovskite solar cells play a crucial role in their overall performance, and therefore, detailed fundamental studies are needed for a better understanding. In the case of the classical n-i-p architecture, TiO2 is one of the most used electron-selective layers and can induce chemical reactions that influence the performance of the overall device stack. The interfacial properties at the TiO2/perovskite interface are often neglected, owing to the difficulty in accessing this interface. Here, we use X-rays of variable energies to study the interface of (compact and mesoporous) TiO2/perovskite in such a n-i-p architecture. The X-ray photoelectron spectroscopy and X-ray absorption spectroscopy methods show that the defect states present in the TiO2 layer are passivated by a chemical interaction of the perovskite precursor solution during the formation of the perovskite layer and form an organic layer at the interface. Such passivation of intrinsic defects in TiO2 removes charge recombination centers and shifts the bands upward. Therefore, interface defect passivation by oxidation of Ti3+ states, the organic cation layer, and an upward band bending at the TiO2/perovskite interface explain the origin of an improved electron extraction and hole-blocking nature of TiO2 in the n-i-p perovskite solar cells.
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Affiliation(s)
- Chittaranjan Das
- Institute for Photovoltaics (ipv), University of Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart, Germany
- Helmholtz Young Investigator Group, IEK5-Photovoltaik, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Rajarshi Roy
- Institute for Photovoltaics (ipv), University of Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart, Germany
| | - Mayank Kedia
- Institute for Photovoltaics (ipv), University of Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart, Germany
- Helmholtz Young Investigator Group, IEK5-Photovoltaik, Forschungszentrum Jülich, 52425 Jülich, Germany
| | - Małgorzata Kot
- Chair of Applied Physics and Semiconductor Spectroscopy, Brandenburg University of Technology Cottbus-Senftenberg, Konrad-Zuse-Straße 1, 03046 Cottbus, Germany
| | - Weiwei Zuo
- Institute for Photovoltaics (ipv), University of Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart, Germany
| | - Roberto Félix
- Department Interface Design, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), Hahn-Meitner-Platz 1, 14109 Berlin, Germany
| | - Tomasz Sobol
- SOLARIS National Synchrotron Radiation Centre, Jagiellonian University, 31-007 Krakow, Poland
| | - Jan Ingo Flege
- Chair of Applied Physics and Semiconductor Spectroscopy, Brandenburg University of Technology Cottbus-Senftenberg, Konrad-Zuse-Straße 1, 03046 Cottbus, Germany
| | - Michael Saliba
- Institute for Photovoltaics (ipv), University of Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart, Germany
- Helmholtz Young Investigator Group, IEK5-Photovoltaik, Forschungszentrum Jülich, 52425 Jülich, Germany
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43
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Zhao Y, Niu Z, Zhao J, Xue L, Fu X, Long J. Recent Advancements in Photoelectrochemical Water Splitting for Hydrogen Production. ELECTROCHEM ENERGY R 2023. [DOI: 10.1007/s41918-022-00153-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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44
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Dörflinger P, Ding Y, Schmid V, Armer M, Turnell-Ritson RC, Ding B, Dyson PJ, Nazeeruddin MK, Dyakonov V. Influence of an Organic Salt-Based Stabilizing Additive on Charge Carrier Dynamics in Triple Cation Perovskite Solar Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2304502. [PMID: 37807807 DOI: 10.1002/advs.202304502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/11/2023] [Indexed: 10/10/2023]
Abstract
Besides further improvement in the power conversion efficiency (PCE) of perovskite solar cells (PSC), their long-term stability must also be ensured. Additives such as organic cations with halide counter anions are considered promising candidates to address this challenge, conferring both higher performance and increased stability to perovskite-based devices. Here, a stabilizing additive (N,N-dimethylmethyleneiminium chloride, [Dmmim]Cl) is identified, and its effect on charge carrier mobility and lifetime under thermal stress in triple cation perovskite (Cs0.05 MA0.05 FA0.90 PbI3 ) thin films is investigated. To explore the fundamental mechanisms limiting charge carrier mobility, temperature-dependent microwave conductivity measurements are performed. Different mobility behaviors across two temperature regions are revealed, following the power law Tm , indicating two different dominant scattering mechanisms. The low-temperature region is assigned to charge carrier scattering with polar optical phonons, while a strong decrease in mobility at high temperatures is due to dynamic disorder. The results obtained rationalize the improved stability of the [Dmmim]Cl-doped films and devices compared to the undoped reference samples, by limiting temperature-activated mobile ions and retarding degradation of the perovskite film.
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Affiliation(s)
- Patrick Dörflinger
- Experimental Physics 6, Julius Maximilian University of Würzburg, 97074, Würzburg, Germany
| | - Yong Ding
- Institute of Chemical Sciences and Engineering, École Polytechnique Fedérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Valentin Schmid
- Experimental Physics 6, Julius Maximilian University of Würzburg, 97074, Würzburg, Germany
| | - Melina Armer
- Experimental Physics 6, Julius Maximilian University of Würzburg, 97074, Würzburg, Germany
| | - Roland C Turnell-Ritson
- Institute of Chemical Sciences and Engineering, École Polytechnique Fedérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Bin Ding
- Institute of Chemical Sciences and Engineering, École Polytechnique Fedérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Paul J Dyson
- Institute of Chemical Sciences and Engineering, École Polytechnique Fedérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Mohammad Khaja Nazeeruddin
- Institute of Chemical Sciences and Engineering, École Polytechnique Fedérale de Lausanne (EPFL), Lausanne, 1015, Switzerland
| | - Vladimir Dyakonov
- Experimental Physics 6, Julius Maximilian University of Würzburg, 97074, Würzburg, Germany
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45
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Zhong Y, Yang J, Wang X, Liu Y, Cai Q, Tan L, Chen Y. Inhibition of Ion Migration for Highly Efficient and Stable Perovskite Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2302552. [PMID: 37067957 DOI: 10.1002/adma.202302552] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/13/2023] [Indexed: 06/19/2023]
Abstract
In recent years, organic-inorganic halide perovskites are now emerging as the most attractive alternatives for next-generation photovoltaic devices, due to their excellent optoelectronic characteristics and low manufacturing cost. However, the resultant perovskite solar cells (PVSCs) are intrinsically unstable owing to ion migration, which severely impedes performance enhancement, even with device encapsulation. There is no doubt that the investigation of ion migration and the summarization of recent advances in inhibition strategies are necessary to develop "state-of-the-art" PVSCs with high intrinsic stability for accelerated commercialization. This review systematically elaborates on the generation and fundamental mechanisms of ion migration in PVSCs, the impact of ion migration on hysteresis, phase segregation, and operational stability, and the characterizations for ion migration in PVSCs. Then, many related works on the strategies for inhibiting ion migration toward highly efficient and stable PVSCs are summarized. Finally, the perspectives on the current obstacles and prospective strategies for inhibition of ion migration in PVSCs to boost operational stability and meet all of the requirements for commercialization success are summarized.
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Affiliation(s)
- Yang Zhong
- College of Chemistry and Chemical Engineering/Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Jia Yang
- College of Chemistry and Chemical Engineering/Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Xueying Wang
- College of Chemistry and Chemical Engineering/Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Yikun Liu
- College of Chemistry and Chemical Engineering/Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Qianqian Cai
- College of Chemistry and Chemical Engineering/Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Licheng Tan
- College of Chemistry and Chemical Engineering/Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
- Peking University Yangtze Delta Institute of Optoelectronics, Nantong, 226010, China
| | - Yiwang Chen
- College of Chemistry and Chemical Engineering/Institute of Polymers and Energy Chemistry (IPEC), Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
- National Engineering Research Center for Carbohydrate Synthesis/Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang, 330022, China
- College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China
- Peking University Yangtze Delta Institute of Optoelectronics, Nantong, 226010, China
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46
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Mandal TN, Heo JH, Im SH, Kim WS. Highly Efficient and Stable Inverted Perovskite Solar Cell Using Pure δ-FAPbI 3 Single Crystals. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2305246. [PMID: 37635119 DOI: 10.1002/smll.202305246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/27/2023] [Indexed: 08/29/2023]
Abstract
Pure δ-formamidinium lead triiodide (δ-FAPbI3 ) single crystal for highly efficient perovskite solar cell (PCS) with long-term stability is prepared by a new method consisting of liquid phase reaction of FAI and PbI2 in N,N-dimethyl formamide and antisolvent crystallization using acetonitrile. In this method, the incorporation of any impurity into the crystal is excluded by the molecular recognition of the crystal growth site. This pure crystal is used to fabricate α-FAPbI3 inverted PSCs which showed excellent power conversion efficiency (PCE) due to much-reduced trap-states. The champion device exhibited a high PCE of 23.48% under the 1-Sun condition. Surface-treated devices with 3-(aminomethyl)pyridine showed a significantly improved PCE of 25.07%. In addition, the unencapsulated device maintained 97.22% of its initial efficiency under continuous 1-Sun illumination for 1,000 h at 85 °C in an N2 atmosphere ensuring long-term thermal and photo stabilities of PSCs, whereas the control device kept only 89.93%.
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Affiliation(s)
- Tarak Nath Mandal
- Functional Crystallization Center, Department of Chemical Engineering (Integrated Engineering), Kyung Hee University, Yongin, Gyeonggi-do, 17104, Republic of Korea
| | - Jin Hyuck Heo
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-Ro, Seongbuk-Gu, Seoul, 02841, Republic of Korea
| | - Sang Hyuk Im
- Department of Chemical and Biological Engineering, Korea University, 145 Anam-Ro, Seongbuk-Gu, Seoul, 02841, Republic of Korea
| | - Woo-Sik Kim
- Functional Crystallization Center, Department of Chemical Engineering (Integrated Engineering), Kyung Hee University, Yongin, Gyeonggi-do, 17104, Republic of Korea
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47
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Swamynadhan MJ, Ghosh A, Ghosh S. Design of high polarization low switching barrier hybrid improper ferroelectric perovskite oxide superlattices. MATERIALS HORIZONS 2023; 10:5942-5949. [PMID: 37880977 DOI: 10.1039/d3mh01285a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Hybrid improper ferroelectricity is a useful tool to design ABO3/A'BO3 polar superlattices from non polar building blocks. In this study, we have designed high polarization-low switching barrier hybrid improper ferroelectric superlattices with efficient polarization, and polarization-magnetization switching properties above room temperature, using density functional theory and ab initio molecular dynamics simulations. Superlattices with a chemical formula of (AAlO3)m/(A'AlO3)n, where m/n = 1/1, 1/3, 3/1, 1/5 and 5/1, A, A' = Lanthanide and Y cations are considered to outline the design principles behind polarization switching and (LaFeO3)3/(CeFeO3)1 is investigated for polarization-magnetization switching. We find that the unconventional switching paths via out-of-phase rotation QR- (a0a0c-) and tilt precession QTP always yield lower switching barrier compared to those via in-phase rotation QR+ (a0a0c+) and tilt QT (a-a-c0) of BO6 octahedra. Results from ab initio molecular dynamics simulations estimate the temperature at which the lowest energy barrier can be overcome. It is possible to tune the polarization switching barrier by tuning the tolerance factor, A,A' cation radius mismatch and super lattice periodicity. For switching via QR-, the switching barrier varies exponentially with rotation angle, indicating how high switching barrier is expected for systems, away from cubic symmetry. We provide a recipe to overcome such a bottleneck by tuning superlattice periodicity. Finally, we have proposed the multiferroic device application concept through a proposed polarization-temperature hysteresis loop and magnetization switching.
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Affiliation(s)
- M J Swamynadhan
- Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur-603 203, Tamil Nadu, India.
| | - Ayana Ghosh
- Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, 37831, TN, USA
| | - Saurabh Ghosh
- Department of Physics and Nanotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur-603 203, Tamil Nadu, India.
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48
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González DA, Puerto Galvis CE, Li W, Méndez M, Aktas E, Eugenia Martínez-Ferrero, Palomares E. Influence of the carbazole moiety in self-assembling molecules as selective contacts in perovskite solar cells: interfacial charge transfer kinetics and solar-to-energy efficiency effects. NANOSCALE ADVANCES 2023; 5:6542-6547. [PMID: 38024303 PMCID: PMC10662120 DOI: 10.1039/d3na00811h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 10/15/2023] [Indexed: 12/01/2023]
Abstract
The use of self-assembled molecules (SAMs) as hole transport materials (HTMs) in p-i-n perovskite solar cells (iPSCs) has triggered widespread research due to their relatively easy synthetic methods, suitable energy level alignment with the perovskite material and the suppression of chemical defects. Herein, three new SAMs have been designed and synthesised based on a carbazole core moiety and modified functional groups through an efficient synthetic protocol. The SAMs have been used to understand the SAM/perovskite interface interactions and establish the relationship between the SAM molecular structure and the resulting performance of the perovskite-based devices. The best devices show efficiencies ranging from 18.9% to 17.5% under standard illumination conditions, which are very close to that of our benchmark EADR03, which has been recently commercialised. Our work aims to provide knowledge on the structure of the molecules versus device function relationship.
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Affiliation(s)
- Dora A González
- Institute of Chemical Research of Catalonia (ICIQ-CERCA) Avda. Països Catalans 16 43007 Tarragona Spain
- Department of Electric, Electronic and Automatic Engineering, Universitat Rovira i Virgili Avda. Països Catalans 26 43007 Tarragona Spain
| | - Carlos E Puerto Galvis
- Institute of Chemical Research of Catalonia (ICIQ-CERCA) Avda. Països Catalans 16 43007 Tarragona Spain
| | - Wenhui Li
- Institute of Chemical Research of Catalonia (ICIQ-CERCA) Avda. Països Catalans 16 43007 Tarragona Spain
| | - Maria Méndez
- Institute of Chemical Research of Catalonia (ICIQ-CERCA) Avda. Països Catalans 16 43007 Tarragona Spain
| | - Ece Aktas
- Institute of Chemical Research of Catalonia (ICIQ-CERCA) Avda. Països Catalans 16 43007 Tarragona Spain
| | - Eugenia Martínez-Ferrero
- Institute of Chemical Research of Catalonia (ICIQ-CERCA) Avda. Països Catalans 16 43007 Tarragona Spain
| | - Emilio Palomares
- Institute of Chemical Research of Catalonia (ICIQ-CERCA) Avda. Països Catalans 16 43007 Tarragona Spain
- ICREA Passeig Lluís Companys 23 08010 Barcelona Spain
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49
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Das S, Girish KH, Ganesh N, Narayan KS. Structured hybrid photodetectors using confined conducting polymer nanochannels. NANOSCALE ADVANCES 2023; 5:6155-6161. [PMID: 37941946 PMCID: PMC10628986 DOI: 10.1039/d3na00485f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/26/2023] [Indexed: 11/10/2023]
Abstract
We design and fabricate hybrid organic inorganic perovskite photodetectors that utilize hole transport layer poly(3,4-ethylene dioxythiophene):poly (styrenesulfonate) PEDOT:PSS confined in alumina nanocylinders. This structural asymmetry in the device where the alumina nanopore template is partially filled with PEDOT:PSS provides features that improve certain device characteristics. The leakage component of the current in such devices is considerably suppressed, resulting in enhanced responsivity and detectivity. The funneling aspect of the photogenerated charge carrier transit ultimately leads to fast detectors as compared to conventional perovskite detectors.
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Affiliation(s)
- Sukanya Das
- Chemistry and Physics of Materials Unit, School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Bengaluru - 560064 India
| | - K H Girish
- Chemistry and Physics of Materials Unit, School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Bengaluru - 560064 India
| | - N Ganesh
- Chemistry and Physics of Materials Unit, School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Bengaluru - 560064 India
| | - K S Narayan
- Chemistry and Physics of Materials Unit, School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Bengaluru - 560064 India
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50
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Chaudhary SP, Bhattacharyya S. Positive Feedback Mechanism of Probe Sonication for the Perovskite Films in Solar Cells. ACS APPLIED MATERIALS & INTERFACES 2023; 15:50479-50488. [PMID: 37862132 DOI: 10.1021/acsami.3c09651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2023]
Abstract
The performance of perovskite solar cells (PSCs) is governed by the quality of perovskite films, whereby compact, pinhole-free perovskite films are desired, in addition to its composition. We have demonstrated probe sonication as a processing technique to provide positive feedback for enhancing the perovskite film quality and photovoltaic parameters, with two systems, CH3NH3PbI3 (MAPbI3) and Cs0.17FA0.83Pb(I0.83Br0.17)3. In probe sonication, the ultrasound results in the formation, growth, and collapse of the bubbles through shock wave inside the gas phase of the collapsing bubble. This phenomenon has a chemical impact on the nucleation of the perovskite phases and interconnectivity of the grains. The 60 min sonicated films with stronger hydrogen bonding network are devoid of unwanted Pb0, δ-FAPbI3, and PbI2 phases, having tightly packed homogeneous grains, minimum electron-hole recombination pathways, and improved light absorption. The surface potential remains mostly unaltered across the grains and grain boundaries, and the realignment of the Fermi energy (EF) favors facile carrier transport. The photoconversion efficiency (PCE) of the MAPbI3 and Cs0.17FA0.83Pb(I0.83Br0.17)3 devices is improved by 28.1 and 17.2% in comparison to the pristine perovskites, respectively. The 60 min sonicated Cs0.17FA0.83Pb(I0.83Br0.17)3 PSC has 20.20 ± 0.40% PCE with 1000 h ambient stability having >60% retention of the original PCE.
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Affiliation(s)
- Sonu Pratap Chaudhary
- Department of Chemical Sciences and Centre for Advanced Functional Materials, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
| | - Sayan Bhattacharyya
- Department of Chemical Sciences and Centre for Advanced Functional Materials, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246, India
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